Answer:
Telomeres
Explanation:
Telomeres are present at the ends of chromosomes and prevent the lose of genes. They shorten as a person ages. Thus lengthening them may slow down age related problem.
I’m pretty sure it’s hydrogen if I’m wrong I’m really sorry
DNA Mutation is caused by the alteration of single base units in DNA, or the deletion, insertion, or rearrangement of larger sections of genes or chromosomes. Thus, the correct answer is option D.
1.DNA Mutations are caused by environmental factors known as mutagens.
2.Types of DNA mutagens include radiation, chemicals, and infectious agents.
3.DNA Mutations may be spontaneous in nature.
<span>The best method used to prevent soil depletion would be contour farming.
In contour farming, the land is tiled in consistent elevation. Contour farming is efficient in reducing soil depletion because it can conserve rain water and reduce the erosion of soil.
If there is no contour farming in your option, then choose A. Adding fertilizer. </span>
Answer:
friction is required to make an object slow down.
Explanation: