Which major processes were needed for the origin of life on Earth?

Answers

Answer 1

Answer:

I think it's a climate


Related Questions

A sonar pulse has a wavelength of 3.2 cm and a speed of 1,500 m/s in water. What is the frequency of the pulse? (

Answers

Explanation:

The universal wave equation states that the velocity of a wave is the product of its wavelength and its frequency.

Mathematically speaking,

¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯

a

a

v

=

λ

f

a

a

−−−−−−−−−−−

where

−−−−−

:

v

=

velocity of wave (metres per second)

λ

=

wavelength (metres)

f

=

frequency (hertz or reciprocal seconds)

Step 1

Convert the given wavelength from centimetres into metres.

3.0

i

c

m

×

m

100

i

c

m

=

3.0

c

m

×

m

100

c

m

=

0.030

i

m

Step 2

Rearrange for frequency,

f

, in the universal wave equation.

v

=

λ

f

Becomes,

f

=

v

λ

Step 3

Substitute your known values to solve for the frequency of the pulse.

f

=

1500

i

m

s

0.030

i

m

f

=

50000

i

H

z

Rounding off the value to two significant figures,

f

=

¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯

a

a

5.0

×

10

4

i

H

z

a

a

−−−−−−−−−−−−−−−−

The frequency of the pulse is 4.6×[tex]10^4[/tex], when the wavelength of the sonar pulse is 3.2cm. and has a speed of 1,500 m/s in water.

What do you mean by Sonar?

The sonar may be defined as a device that is used to find the distance, direction, and speed of underwater objects like water hills, valleys, icebergs, submarines, sunken ships, etc.

The universal wave equation states that the velocity of a wave is equal to the products of its wavelength and frequency.

   v = λf

∴ f = v/λ

1500/0.032 = 46,875 Hz.

f = 4.6×[tex]10^4[/tex] Hz.

Therefore, the frequency of the pulse is 4.6×[tex]10^4[/tex], when the wavelength of the sonar pulse is 3.2cm. and has a speed of 1,500 m/s in water.

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Nucleic acids are chains of ____ linked by peptide bonds


a. nucleotides

b. amino acids

c. proteins

d. nuclei

Answers

The answer is protein i took the test

Answer:

option (c) protein is your answer ans..

The fluid inside the mitochondria is called the _______________.

Answers

The fluid inside the mitochondria is called the matrix.

Answer:

Matrix

Explanation:

It is called Matrix

Which of the following newborns has the lowest chance of having health problems?
A. Rosalind- 6 lbs
B. Charles- 11 lbs
C. Nikola- 7.5 lbs
D. Marie- 5 lbs

Answers

Answer:

C Nikola

Explanation:

7.5 ibs is the most average and ideal weight for newborns.

Rosalind is the newborn who the lowest chance of having health problems. Thus, the correct option is A.

What are health problems?

Health problems may be defined as a situation of disease or medical ailment or an environmental condition that poses the threat of disease or medical ailment practically.

Rosalind weighs 6lbs which is equal to 2.72 kilograms. The most ideal and normal weight of newborns should be ranging in between 2.5 to 3 kilograms.

Therefore, Rosalind is the newborn who the lowest chance of having health problems. Thus, the correct option is A.

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Hitchhikers thumb (H) is dominant to no hitchhikers thumb (h). A woman who does not have hitchhiker some marries a man who is Carretera genus for hitchhikers thumb. What is the probable genotypic of their children?

Answers

Complete question:

3. Hitchhiker’s thumb (H) is dominant to no hitchhiker’s thumb (h). A woman who does not have hitchhiker’s thumb marries a man who is heterozygous for hitchhiker’s thumb. What is the probable genotypic ratio of their children? What is the probable genotypic of their children?

Answer and Explanation:

Due to technical problems, you will find the complete answer and explanation in the attached files

3. What is spontaneous generation? a. the idea that microorganisms have the ability to sterilize lie b. the idea that microorganisms need intense heat to reproduc c. the idea that substances produce germs only when microon d. the idea that substances can produce germs on their own​

Answers

Answer:

The correct answer is -  d. the idea that substances can produce germs on their own​.

Explanation:

Spontaneous generation is an obsolete theory or idea that supports the production of living things and substances from non-living substances and things.

This purpose is that the living creatures could arise from nonliving matter. In microbiology, it is an idea that says that substances can produce germs on their own even if the substances are not similar.


Which of the following is NOT an importance of
cell division?
A. Repair
B. Reproduction
C. Temperature Regulation
D. Growth

Answers

Answer:

C

Explanation:

Have a nice day

The correct answer would be C. Temperature Regulation.

is scientific inquiry the same as the scientific method

Answers

Answer:

Scientific inquiry is different from the scientific method.

Explanation:

The scientific method follows a linear step-by-step process in order to answer a question, while scientific inquiry does not follow a linear step-by-step process. Scientific inquiry helps you think outside the box to understand the natural world.

what molecules provides the energy to make glucose through photosynthesis?

Answers

Answer:

Sugar molecules. What molecules create sugar you ask 12 atoms of carbon, 22 atoms of hydrogen, and 11 atoms of oxygen

Explanation:

Plants convert energy from sunlight into sugar in a process called photosynthesis. Photosynthesis uses energy from light to convert water and carbon dioxide molecules into glucose (sugar molecule) and oxygen.

Jika Kita ingin memasuki gua yang dalam ,Kita digalakkan untuk membawa obor api selain lampu suluh sebagai penunjuk kehadiran oksigen.Apakah kelebihan menggunakan obor di dalam gua?​

Answers

ok so this to inform you that i have to get b points thank you

HELP

Which of the following does NOT incorporate phosphorus?
A. Phospholipids
B. Nucleotides
С. АТР
D. Carbohydrates

Answers

Answer:D

Explanation:

A forest fire destroys an area. A small population of trees and a large population of birds are both affected. Which type
of limiting factor causes this?
O density dependent
O density independent
O population dependent
O population independent

Answers

Answer:

Density independent is the correct answer

The type of limiting factor that causes this scenario are density-independent factors, which is Option B, because they affect populations regardless of their size or density.

What are density-independent factors?

Density-independent factors are environmental factors that affect populations regardless of their size or density. These factors can include natural disasters such as forest fires, floods, hurricanes, droughts, and other extreme weather events. Other examples of density-independent factors include habitat destruction, pollution, and climate change. In the scenario described, a forest fire destroyed an area, which can lead to the decline of both tree and bird populations. The fire could kill the trees and destroy their habitats, making it difficult for the surviving trees to grow or reproduce.

Hence, the type of limiting factor that causes this scenario are density-independent factors, which is Option B, because they affect populations regardless of their size or density.

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What is the standard deviation of a group of individuals' BMIs (round to 2 decimal places)? Their BMIs are 20.58, 22.00, 23.42, 23.47, 25.68, and 33.1.

Answers

The answer is 20.58.

Try to find out why (what the root word is and where it comes from), and report your findings here. Why do you think the root word is contained in all these words?
prokaryote:
eukaryote:
karyotype:

Answers

Prokaryote: one cell organelle
Eukaryote: multi cell organelle

can someone help me?

Answers

Answer:

I believe it's A, commencualism.

Explanation:

Because it means that one type of animal pairs itself with another to provide a service or perk, while the other maybe offers protection or something similar, improving the species.

I hope it's correct tho, sorry if it's not. ♥

Which part of the body contains enzymes that break down starch into simple sugars? A.mouth B.brain C.stomach D.liver

Answers

The part of the body that contains enzymes that break down starch into simple sugars is the mouth (option A).

What is digestion?

Digestion is the process whereby ingested food is converted into substances that can be utilized by the body.

Digestion involves the breakdown of large molecules of chemical substances in food into simpler molecules that can be absorbed.

Enzymes are responsible for the chemical degradation of food substances. A specific enzyme in charge of breaking down starch is called amylase and it is present in the saliva of the mouth.

Therefore, the part of the body that contains enzymes that break down starch into simple sugars is the mouth

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**25 POINTS **
the diagram shows a shell fossil, which type of fossil is shown ?

i picked one but im not sure , pls hurry i have a time limit and i need help

Answers

Answer:

mold is right answer go for it quickly

Answer:

A. Mold

Explanation:

Molds preserve a three-dimensional impression of remains buried in sediment.

An astronomer measures the distance to two stars using the parallax method. When comparing the placement of the stars six months apart, the star that is further away: A. Changes position the most B. Changes position the least C. Appears brighter D. Appears dimmer

Answers

Answer:

I would say A but im not 100% sure

Explanation:

The parallax method uses the angle to measure the distance of the objects in space. When the method is used 6 months after then, the star further away changes its position the most. Thus, option A is correct.

What is the parallax technique?

The parallax method determines the displacement of the object in the space when viewed from the line of sight and is determined by the angle of the inclination of the shift.

It is used to measure the distance of the planet to the nearby stars and is measured again after six months. It is the change of the position of the object or the celestial body with respect to the observer's position.

Therefore, the star located farthest will change its position the most.

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What is the main difference between a taxon and a clade?

Answers

Answer:

A Taxon is a rank or group in a biological classification into which taxonomists classify related organisms. A clade is a group of organisms that are monophyletic and is composed of a common ancestor and all its lineal Descendants

Explanation:

The other guy didn't add a Copy and Paste thing, so here.

Which of the following is a disadvantage of using solar energy?
A. Solar energy produces greenhouse gases.
B. Solar energy is available only in the summer
C. Solar panels do not work very well.
o
D. Solar panels are expensive.

Answers

Answer:

d. Solar panels are expensive.

Explanation:

All the other things are not right.

D. Solar panels are expensive.

- The other options don’t make sense


Which factor can decrease the rate of a chemical reaction?

Answers

The reaction rate decreases with a decrease in temperature. Catalysts can lower the activation energy and increase the reaction rate without being consumed in the reaction. Differences in the inherent structures of reactants can lead to differences in reaction rates.

Cellular respiration is a mirror image of photosynthesis, meaning that the chemical reaction is the reverse. Below is the chemical reaction for photosynthesis. Which of the following would be the correct chemical reaction for cellular respiration?
6 CO2 + 6 H2O → C6H12O6 + 6 O2

A. 6 CO2 + 6 H2O → C6H12O6 + 6 O2
B. 6 CO2 + 6 H2O → 6 CO2 + 6 H2O
C. C6H12O6 + 6 O2 → 6 CO2 + 6 H2O
D. C6H12O6 + 6 O2 → C6H12O6 + 6 O2

Answers

Answer:

its (C)

Explanation:

C 6 H 12 O 6 + 6 O 2 --> 6 CO 2 + 6 H 2 O + ATP is the complete balanced chemical formula for cellular respiration.

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hope it helped u

Which of the following most accurately describes most scientists' current understanding of the evolution of humans?
A: Humans have not evolved.
B: Humans, chimpanzees, and other primates share a common ancestor.
C: Gorillas evolved from humans and chimpanzees.
D. Humans evolved from gorillas and other primates.

Answers

Answer:

B: Humans, chimpanzees, and other primates share a common ancestor.

Explanation:

According to the theory of evolution, organisms of a particular species change in their characteristics over several generations because of the process of natural selection. The idea of evolution derives from the fact that all species are related and gradually change over time.

Species which are somewhat related all share a common ancestor. Hence, humans, chimpanzees, and other primates all share a common ancestor.

Which strand of mRNA would be made during transcription using the DNA
strand shown below?
CTG ATA

A. GỤC TUT

B. GAC UAU

C. GAC TAT

D. CTG ATA

Answers

It would be C because since it’s CTG ATA, the strand of mRNA that would be used is GAC TAT; C with G and A with T if that makes sense

Answer:

its GAC UAU give me some likes lol

Explanation:

Hemophilia is a serious bleeding disorder caused by a sex-linked recessive allele. What are the chances of a normal male and a female who is a carrier for hemophilia having a child with hemophilia?
0%
1/4 or 25%
1/2 or 50%
3/4 or 75%

Answers

Answer:

‼️A) 1/4 25% Chance‼️

Explanation:

If she gets the X chromosome with the hemophilia gene, she will have hemophilia. A man who has hemophilia and a woman who is a carrier have: a 25% (one in four) chance of having a son with hemophilia.

Answer:

50%

Explanation:

the sex linked trait is to the x chromosome but only one. that means the female would pass 50% the allele 50% of the time

Suzanne has a cat and uses a pet carrier to take her cat to the veterinarian. After a few years, the cat runs away
and hides every time Suzanne gets the carrier out
Which best describes the cat's behavior?
instinct
O reflex
O conditioned
O imprinting
Save and Exit
Mark this and return
Next
Submit

Answers

Answer: Conditioned

Explanation:

the cat realizes that the carrier will cause her pain so her brain will associate pain with carrier and then will be scared of it

Which of the following is TRUE about the law of independent assortment?
A.The homologous chromosomes are separated.

B.The maternal chromosomes are not separated in one pole.

C.The paternal
chromosomes are not separated in one pole.

D.All of the choices

Answers

Answer:

A

Explanation:

homologous chromosomes seperate during indeendent assortment. Its not D or C, since independent assortment occurs with seperation and B makes less sense

The pun nett square is for a test cross of two mice That were purebred

Answers

i don’t know this answer my b

Cellular respiration is a mirror image of photosynthesis, meaning that the chemical reaction is the reverse. Below is the chemical reaction for photosynthesis.
Which of the following would be the correct chemical reaction for cellular respiration?
6 CO2 + 6 H2O → C6H12O6 + 6 O2

A. 6 CO2 + 6 H2O → C6H12O6 + 6 O2
B. 6 CO2 + 6 H2O → 6 CO2 + 6 H2O
C. C6H12O6 + 6 O2 → 6 CO2 + 6 H2O
D. C6H12O6 + 6 O2 → C6H12O6 + 6 O2

Answers

Its (C) cz....

Connecting Cellular Respiration and PhotosynthesisThe products of one process are the reactants of the other. Notice that the equation for cellular respiration is the direct opposite of photosynthesis: Cellular Respiration: C6H12O6 + 6O2 → 6CO2 + 6H2O.

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The chemical reaction for cellular respiration will be C6H12O6 + 6 O2 → 6 CO2 + 6 H2O, the correct option is C.

What is cellular respiration?

Cellular respiration is a succession of chemical reactions that break down glucose to produce ATP, which can then be used as energy to power a variety of reactions throughout the body.

Cellular respiration consists of three major steps: glycolysis, the citric acid cycle, and oxidative phosphorylation.

It is mirror image of photosynthesis, its chemical reaction is:

[tex]C_{6} H_{12}O_{6} + 6 O_{2}--------- > 6CO_{2}+6O_{2}[/tex]

Thus, the correct option is C.

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Please help me answer this. Thank you ♡´・ᴗ・`♡

Answers

Answer:

i need help too

Explanation:

i need it today

Answer:

1. 23.5 degrees

2. 24 hours

3. 365 days

10. Earth's axis is tilted

Explanation: those are the only ones I know good luck :D!

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