What are some of the medical advances made recently?
MRIS
Camera's small enough to swallow
Sterilization of instruments
Eye glasses
Penicillin
CAT scans

Answers

Answer 1
most reasonable answer is the swallowable camera one. mris and cat scans were invented in the 70s and the rest of the answers are around the 1800s or before.
Answer 2

Answer:

B, C, F

I'm not sure if these are exactly correct, but I hope I helped at least a bit!


Related Questions

How are some protists like plants

Answers

Answer:

Plant-like protists are autotrophs. This means that they produce their own food. They perform photosynthesis to produce sugar by using carbon dioxide and water, and the energy from sunlight, just like plants. ... Protists can be unicellular (single-celled) or multicellular (many-celled).

Explanation:

I took the same test on this

Helllpppp!!!!

How would the disappearance of shrimp, copepods, and amphipods affect the other organisms in the ocean food web

Answers

The disappearance of shrimp who cause whale numbers to decrease because they are a main food source for whales. And if copecods were to disappear it would cause a problem with microscopic algal cells and phytoplankton who’s populations would increase. And amphipods play an important role in marine and freshwater ecosystems. So if they were to disappear they would be more dead creatures around because they are scavengers and eat dead or decaying algae.

What characteristics apply to gymnosperms? (Choose all that apply)
use seeds to reproduce
use spores to reproduce
have vascular tissue
have cones as reproductive structures

Answers

Answer:

Have cones as reproductive structures.

Have vascular tissue.

Explanation:

The gymnosperms have vascular tissue and have cones as reproductive structures.

What are gymnosperms?

The gymnosperms are woody like plants having a  cone shaped structure,  bear no flowers, no fruits but bear seeds; The seeds are with out coat and they are not covered by the fruit wall.

Gymnosperms produce seeds which are not enclosed in an ovary, while in Angiosperms the reproductive organs are the flower, they may  involve in double fertilization resulting in a diploid zygote, and a triploid endosperm.

Gymnosperms  produce seeds and fruits from their flowers, the flowers in gymnosperms helped in the propagation of the plants, it attract pollinators and attracted seed to dispersers, gymnosperms became dominant among plants.

The modification of the gymnosperm includes Modified leaves, Sunken stomata, Pointed and thick cuticle leaves, Less transpiration rate.

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What theory’s/ideas challenge natural selection? In other words, what disproves natural selection?

Answers

Answer:

Natural selection needs some starting material, and that starting material is heritable variation. For natural selection to act on a feature, there must already be variation (differences among individuals) for that feature. Also, the differences have to be heritable, determined by the organisms' genes.

A large photograph displayed on a store’s website would NOT qualify for fair use under which guideline?

Answers

Answer:

copyright

Explanation:

HELLP ASAP

1. What are air pressure, wind, cloud cover, precipitation, and temperature called?

A. elements of climate


B. elements of weather


C. elementary aspects


D. elevation pressure

Answers

Answer:

your answer is B, it is part of the weather cycle and water cycle, give me a Brainliest if correct and have a good day:)

Explanation:

The answer would be B.

When a pinecone is open, it disperses its seeds. Based on your experiment, can you tell what weather conditions are needed for pine trees to release their seeds? Explain your answer.

Answers

Answer:

If a pine seed finds the right micro-climate, it will eventually sprout and a pine seedling will start to grow. However, pine seeds are usually released in a dormant state, which is most often broken by cold stratification. As a result, a pine seed will not sprout until the following spring when warm weather and some spring moisture are present.

Explanation:

hope it helps

Answer:

hi

Explanation:

What is a boundary in which two plates move apart from each other called?

Answers

Answer:

A divergent boundary!

Explanation:

Hope this helps! <3

Which of the following can occur because of the exchange of homologous chromosome parts during the process of meiosis?

Answers

Answer:

Muttation can occur during the exchange of genetic meterial from homologous chromosomes which may led to cause deseases in some cases.

Explanation:

Homologous chromosomes exchange genetic material during the process of meiosis.

What is Meiosis?

Meiosis is a type of cell division in which germ cells present in the sexually-reproducing organisms produces the gametes, such as sperm or egg cells. It involves two rounds of division which results in four cells with only one copy of each chromosome.

These four cells are haploid in nature. Meiosis produces the sex cells or gametes like eggs in females and sperm in males.

Meiosis is divided into nine stages. These are divided between the first time the cell divides (meiosis I) and the second time it divides (meiosis II).

Thus, homologous chromosomes exchange genetic material during the process of meiosis.

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In a water molecule the electrons are not equally shared , creating a ____ molecule .


Please help me

Answers

Answer:

Polar

Explanation:

In a water molecule, the oxygen atom is bigger and has a greater pull on the electrons than the hydrogen atoms do. This makes the molecule polar.

Which statement about the structure of organic molecules is true
1. DNA contains fatty acid chain
2. Lipids are composed of Amino acids
3. Proteins are composed of nucleotides
4. Carbohydrates contain monosaccharide units

Answers

Answer: The answer is D

Explanation:

The statement which is true about the structure of organic molecules is as follows:

Carbohydrates contain monosaccharide units.

Thus, the correct option for this question is D.

What do you mean by Organic molecules?

Organic molecules may be defined as those molecules that are correspondingly made of carbon and hydrogen. It can also include other elements like oxygen, sulfur, nitrogen, etc. It must contain carbon atoms covalently bonded to hydrogen atoms (C-H bonds).

DNA possesses monomeric units known as nucleotides. Lipids are the derivatives of fatty acids. While proteins are composed of building blocks that are known as amino acids.

On the other hand, carbohydrates are derived from monosaccharide units that are togetherly held by glycosidic linkage.

Therefore, carbohydrates contain monosaccharide units is a statement that is true about the structure of organic molecules. Thus, the correct option for this question is D.

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What's the interaction of tissues and organs within the circulatory system

Answers

Answer:

The cardiovascular or circulatory system is designed to ensure the survival of all cells.

Explanation:

When a person eats the yogurt, the 14 grams of protein will be A combined into monosaccharides. B combined into polysaccharides. C broken down into amino acids. D broken down into nucleic acids.

Answers

Answer:

C broken down into amino acids.

Explanation:

Proteins are one of the four major biological molecules. They are organic polymers made up of monomers called AMINO ACIDS. Proteins are contained in food we ingest and are subsequently digested or broken down into their amino acid components.

In this case, when a person eats yogurt (containing proteins), the 14 grams of protein will be broken down into amino acids during digestion by enzymes called PROTEASES. Note that every polymer will be broken down into its monomeric constituents during digestion.

this life cycle is...
a. haplontic
b. diplontic
c. haplodiplontic

Answers

Answer:

C

Explanation:

whats better
kirby
or
Zelda
franchise ​

Answers

Answer:

kirbyyyyyyyyyyyyy

Explanation:

:DDDDDD

Answer:

i think kirby bc he cyute <(^.^)^

Explanation:

zelda franchise for sum action and stuff

The characteristic of life that represents birds migrating to the south is

Answers

Answer:

Living things respond to their enviorment.

Explanation:

Hope that helped!

Help me with these two questions please !!!!!!!!!!!!!!

Answers

Answer:

Question 13: C

Question 14: D

Have a great day, hope this helps :)

Which of the following is not the wave of the future in the medical field?
O robots
O cameras
O computers
O engines

Please help!!!!!!

Answers

I think it’s engines
I believe the answer is D

Two identical twins live in the same city; one smokes and one doesn’t. The one who smokes develops lung cancer. What is the best reason for this?



A.
mostly genetics factors

B.
genetics and environmental factors

C.
mostly environmental factors

D.
it was not related to their genetics or environment

Answers

c. mostly environmental factors

A student observes that a popcorn kernel has a hard coat. He places the kernel in a moist paper towel and observes it for several days. He notices that the coat splits and a small root emerges. He concludes that—

water outside the seed coat exerted a pushing force, breaking the seed coat


air inside the seed coat exerted a pushing force, breaking the seed.



water outside the seed coat exerted a pulling force, breaking the seed coat.



gravity exerted a pulling force on the stem, breaking the seed coat.

Answers

Answer:

d

Explanation:

got it right on the test

What kingdom do the amoeba and paramecium belong?

Answers

Answer:

Protista

Explanation:

Both belong in the protista kingdom

Difference between direct and indirect effect

Answers

Direct effects, as the name suggests, while not manipulated or communicated by a third party, deal with the direct influence of one entity on another. Indirect effects can be described as the influence, mediated or passed on by a third, of one organism or species on another.

Give an example of how Eubacteria can be beneficial. Explain. Please help me. ​

Answers

Answer:

Some bacteria are good for you, including the bacteria in your digestive system, or gut. These bacteria help to break down food and keep you healthy. Other good bacteria can produce oxygen are used to create antibiotics. Bacteria are used in food production to make yogurt and fermented foods.

An example of how Eubacteria can be beneficial is that these bacteria fix nitrogen for soil that can be used by living beings.

What are eubacteria?

The bacteria in your gut and digestive tract are among the beneficial bacteria. These microorganisms aid in the digestion of food and promote good health. To make antibiotics, other beneficial microorganisms that can also produce oxygen are employed. Yogurt and other fermented foods are produced using bacteria in the food industry.

Oxygen, carbon, nitrogen, and phosphorus that living things like animals and plants cannot use can be converted by eubacteria into usable forms. In the soil, they fix the nitrogen that is present in the air.

Therefore,  Eubacteria can help the environment by fixing nitrogen into the soil so that living things can use it.

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Why might a company decide against using hydroelectric Energy as an alternative energy source

A. Gathering it requires pulling from unclean sources

B. Gathering it creates noise pollution for surrounding areas

C. Gathering it releases carbon dioxide gases into the air

D. Gathering it can have a negative affect on natural habitats

Answers

The company's decision against using hydroelectric Energy as an alternative energy source might be Gathering it can have a negative affect on natural habitats.

Why is hydroelectric power not a good energy source?

Hydropower can also cause environmental and social problems. Waterholes drastically change the landscape and rivers they are built on. Dams and reservoirs can decrease river flows, raise the water temperature, degrade water quality and cause sediment to build up. This has negative impacts on fish, birds and other wildlife.

Thus, the correct option is "D".

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Would you design cars with different masses or equal masses? Would you design your cars with high speeds or low speeds? Use Newton's Laws of motion to support your response.

Answers

Answer:

You can actually apply the same concept, obviusly you want the cars to be the same weight, and you want your cars to be not too fast, because of the same equation F=MA if the car is faster, is because it has higher acceleration, wich results in higher impact force.

Explanation:

does any one know whats wrong with my foot it has been in constant pain since yesterday now i dont know if it is a sprain or what plz help im in constant pain now i can hardly walk it is the long near the big toe right in the center of the long bone conecting to my ankle plz i need to know if i need to go to doctor.

Answers

Answer:

Yes. You need to go to the doctor.

Explanation:

Your foot could be doing this because the bone itself could be bruised or else it somehow got injured or is in some other type of pain.  

pls pls pls help
will mark brainliest
what happens with the relative positions of the Sun and the Moon in the sky?

Answers

Answer:

the moon and the sun line up above earth and sometimes creates eclipses.

Explanation:

I took the test. Please mark brainliest

Which of the following is created from amino acids linking together?

A. Carbon chains

B. Lipids

C. Polypeptide chains

D. Monomers

Answers

Polypeptide! They go along w amino acids put tg they create a polypeptide

Which of the following best describes a population?

Answers

Answer:

Explanation:

A number of things/people that populate on place

Which characteristics or structures from the list are found in plant cells? Select all that apply.

nucleus
chloroplast
irregular shape
cell wall
tiny storage vacuoles
cell membrane
Plz help :X

Answers

Answer:

nucleus,chloroplast,cell wall, cell membrane

Explanation:

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