Answer:
All of them affect the DNA
Explanation:
Chemicals are compounds that can pass through cell membranes and modificate the DNA, elevated temperatures can denaturalize the cell and therefore damage the DNA, ionizing radiation can pass through cell organelles and reach the nucleus affecting the DNA, and viruses inject its DNA into the genome and modify it.
Answer:
Gas, has no shape but does take up volume
Compound= many parts together therefore bike is the answer
The answer is D. His belief is was that atoms could not be split. That is what was disproved really fast ;)
