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

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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Answer:

D. spiral

Explanation:

Answer:

Spiral

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Answer:

The Alps arose as a result of the collision of the African and European tectonic plates, in which the western part of the Tethys Ocean, that was formerly in between these continents, disappeared.

Answer:

The mountains were formed over tens of millions of years as the African and Eurasian tectonic plates collided. Extreme shortening caused by the event resulted in marine sedimentary rocks rising by thrusting and folding into high mountain peaks such as Mont Blanc and the Matterhorn.

Explanation:

Answer:

B. Inquiry is more open ended, while the Scientific Method is more linear.

Explanation:

Scientific investigations involve asking questions and providing answer to them. Scientists use data from observations to proffer solutions to problems. Scientific inquiry and scientific method are used in this regard, however, they are not the same.

One of the notable differences between the scientific inquiry and method is that:

- Scientific method is a step by step, linear structured way of solving problems whereas scientific inquiry does not follow a linear pattern. In other words, inquiry is more open ended, while the scientific method is more linear.

Answer:

B. Inquiry is more open ended, while the Scientific Method is more linear.

Explanation:

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.

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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Answer:

d. Solar panels are expensive.

Explanation:

All the other things are not right.

Answer: C. The sound from the bang echoes though the universe

Explanation:

Cosmic background radiation proves the big bang because it shows that as a result of the big bang, the early universe was really hot but cooled as it expanded. Cosmic background radiation is the result of that earlier heat.

Galaxies being red-shifted means that the space between galaxies is increasing which means that the universe is expanding which provides evidence for a big bang because particles move away the single point they are concentrated in.

There was no actual bang from the big bang and sound cannot echo through space so c is incorrect.

Answer:

See explanation

Explanation:

Darwin proposed his theory of evolution on the premise of natural selection. According to him, organisms which possess favourable characteristics which enable them to survive in their environment are more likely to survive and reproduce, passing on these favourable characteristics to their offsprings.

According to Mendel, the unit of inheritance passed on from parents to offspring are genes. Hence Darwin's factors are Mendel's genes.

If Darwin knew of Mendel's work. It might have influenced his presentation of the idea of passing on favourable characteristics from parents to offspring in the light of genetics.

This would have made Darwin's work to have more empirical backing hence making it more widely accepted.

Vascular tissues are the ones used in the formation of flowering plant organs. The correct option is 2.

Vascular tissue is a complicated conducting tissue found in vascular plants that is made up of multiple cell types.

The xylem and phloem are the primary components of vascular tissue. Internally, these two tissues transport fluid and nutrients.

These tissues also help in the formation of flowering plants.

Thus, the correct option is 2.

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Answer:

The correct answer is - C. prolonged elevation of presynaptic calcium levels following synaptic activity.

Explanation:

Synaptic facilitation is a process of short-term plasticity that transiently increases synaptic transmission for less than a second, which is considered an essential part of playing a critical role in information transfer and neural processing.

It is evident that such an increase in the synaptic transmission is occur due to prolonged elevation of presynaptic calcium levels following synaptic activity.

Answer:

buffer

Explanation:

because it protects large changes in pH

Answer:

I am not sure-

Explanation:

I mean you should refresh the page or smth unless the question was deleted

Hope it helps c:

Answer:

Saprolegnia, type of water mold

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

Answer:

Reabsorption,  Higher

Explanation:

Answer:

Speed: Tissue fell slowest(lowest mass and large surface area acts as parachute)

Plastic spoon fell pretty quick

And the stainless steel spoon fell the fastest because of the weight and small mass

The tissue is the only item out of the 3 that makes 0 noise when it hits a surface.

Answer:

 She notices that movement of large molecules into and out of the cell is ... and out of the cell is disrupted when she damages one specific type of macromolecule. ... The macromolecule which has she most likely damaged would be a protein.

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.

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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Answer:

Explanation:

The volume of water should be the same in all three groups.

Solubility is the property of a substance to dissolve in a solvent to form a homogeneous solution at a particular temperature and pressure.The volume of water should be the same in all three groups. This is because the experiment is testing the effect of temperature on the solubility of sugar in water, and any variation in the volume of water could affect the results.

By keeping the volume of water constant, John can ensure that any changes in the amount of sugar dissolved are solely due to changes in temperature and not changes in the amount of water. Therefore, he can compare the results of each group and draw conclusions about the effect of temperature on the solubility of sugar.

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

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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Answer:

Attached to each sugar is one of four bases: adenine (A), cytosine (C), guanine (G), or thymine (T). The two strands are held together by bonds between the bases, adenine forming a base pair with thymine, and cytosine forming a base pair with guanine.

Answer:

Double Helix

Attached to each sugar is one of four bases: adenine (A), cytosine (C), guanine (G), or thymine (T). The two strands are held together by bonds between the bases, adenine forming a base pair with thymine, and cytosine forming a base pair with guanine..

Answer:

C

Explanation:

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Answer:

C) To produce sugars

Explanation:

Through photosynthesis, plants convert carbon dioxide and water into sugar.

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Answer:

I would say C. but i don't think it will be

Answer:

D, The panther is an important American symbol

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Answer:

d

Explanation:

Answer:

The answer is B, Growing

Explanation:

Mitosis is the process of dividing a cell and its nucleus into two cells which each have their own nucleus. An example of mitosis is the way the skin cells covering a child's body all multiply while they are growing.