The most abundant element is oxygen...found in the crust and in the atmosphere.
The answer is the first one: “...attract each other.”
Answer:
type 1 diabetes and cancer
Explanation:
All the others are contagious diseases that you can contract, but type 1 diabetes and cancer can be caused by genetics. The others are all things that you can usually recover from while cancer and diabetes are usually conditions that cannot be escaped sadly.
Answer:
Testing positive for HIV means a high chance of death and a good chance of lower reproduction rates. But some people are immune to HIV, which makes them more evolutionarily fit, likely to live longer, likely to reproduce more, which would increase the frequency of the immune allele in the population. Over time, this increase in frequency of the gene that causes immunity could spread across the human race and cause it to evolve.
Anaphase 1. It’s also the only answer where the chromosomes themselves separate.
