Answer:
HIV destroys helper T cells
Explanation:
The evading viruses destroys helper T cells or the CD4+ thus the body can no longer stop some infections. The secondary infections also called opportunistic infections are rampant with people who have AIDS. This is because helper T cells help fight against most infections in the body.
If one parent has the pure A blood type (both alleles are A) is with genotype AA The other parent has the pure B blood type (both alleles are B) is with genotype BB
Crossing these two: AB AB AB AB
<span>which means that all of the children will have AB blood type (phenotype). This happens because of the codominance. The A and B alleles are codominant and therefore, if an A is inherited from one parent and a B from the other, the phenotype will be AB.</span>
Extinction happens when there is a major climate change, then some species are unable to adapt to those changes, so they become extinct. Extinction basically occurs when species are unable to adapt quickly enough to the environment
If all the plants will die then the food chain will go different directions and the animals will die those plants are the producer of the food chain
Recycling is the reuse of a product to make it new again into another product
