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Tanzania [10]
3 years ago
9

In 1895, a German physicist named Wilhelm Roentgen was conducting experiments with vacuum tubes, which he kept completely closed

off from light, when he noticed that some sort of radiation was escaping the apparatus. He eventually realized that his vacuum tubes could produce radiation that was able to pass through many different objects including human tissues. He used this unknown type of radiation to produce a picture of his wife's hand.
This discovery eventually let to
A.
the use of radioactive material to produce electricity in the form of nuclear power.

B.
the use of radioactive material to produce powerful weaponry.

C.
the use of x-ray machines to create images of the body's internal structure.

D.
the use of vaccines to limit the virulence of numerous viral diseases.
Biology
1 answer:
andrezito [222]3 years ago
3 0

Answer:

C. The use of x-ray machines to create images of the body's internal structure. (: Wilhelm Roentgen discovered the x-ray!

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What causes antibiotic resistance?
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Answer:

Antibiotic resistance occurs when bacteria change in response to the use of these medicines. Bacteria, not humans or animals, become antibiotic-resistant. These bacteria may infect humans and animals, and the infections they cause are harder to treat than those caused by non-resistant bacteria.

your welcome ;)

Explanation:

8 0
4 years ago
Pls help! Pls help! Tap the image to see the picture. Do not spam or else I will report!
natima [27]

Answer:

be honest, the correct answer is 1.80 gram

Explanation:

3 0
3 years ago
Calculate the number of protons and neutrons in each isotope listed . Uranium-235_______ protons,________neutrons
77julia77 [94]

Number of protons in Uranium-235 is 92

Number of neutrons in Uranium- 235 is 143

Explanation:

Isotopes are the two or more elements having the same number of protons and electrons but different number of neutrons. They differ in their atomic masses.

5 0
4 years ago
Pllzzz help i will give 20 points if u answer correct
Nana76 [90]
Passive transport means the cell does not have to spend energy to move gasses and fluids. the gasses or liquids go from a higher concentration to a place of lower concentration. Think about shaking a can of soda. There's a lot of pressure that builds up in the soda. When you open the soda, all of the pressure escapes to an area of lower pressure outside of the can. This is called diffusion. Osmosis is another form of passive transport. For example, in water osmosis, the water goes from a less salty solution to a more salty solution. 

The correct answer is A. Diffusion and osmosis.

hope this helps =)
8 0
4 years ago
Read 2 more answers
What is natural selection? How does this work on organisms in nature? (should be at least 3 sentences)
BigorU [14]

Answer:

The natural selection is a theory made by Charles Darwin where animals better adapted to their environment tend to survive and produce offspring. for example, there are about 50% of beetle that are green and 50% orange.  If crows tend to eat green beetles more, there will be more orange beetle to produce offspring so there wood then be less green beetles to be eaten by crows.

An environment can change over time and this will cause for the animals living in the environment to adapt as well. These changes will occur when an animal with undesirable traits don't survive to reproduce. The offspring of individuals that do survive to reproduce will inherit their parent's desirable traits. Over many generations, the desirable traits will be seen in more-and sometimes all- of the individuals in the population

Explanation:

That is the natural selection told in my words, but please do your best to rewrite your own sentence/paragraph. Copying another's work is called plagiarism and any teacher can automatically give you a 0% for this.

Anyway, goodluck.

<em>Please mark as Brainliest and feel free to ask for any more information.</em>

<em>                                                       ~~~They Speak To Me~~~                                                            </em>

4 0
4 years ago
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