Natural selection means
A
individuals that fit best into their environment survive to pass on their genes while individuals that are less fit die out.
B
Scientists can changes the genes of an animal with genetic engineering.
C
Parents can select which traits they pass to their offspring.
D
Mutations in DNA do not happen in nature.

it's d. aerobic]

scientists have discovered that hiv does not cause aids by the virus's direct effect on the host's immune cells, but rather through the cells' lethal influence on one another. researchers from the gladstone institutes have revealed that hiv does not cause aids by the virus's

the supermassive black hole is in the middle of the galaxy.

answer: although many types of viruses can cause a common cold, rhinoviruses are the most common culprit. a cold virus enters your body through your mouth, eyes or nose. the virus can spread through droplets in the air when someone who is sick coughs, sneezes or talks. theres your answer

explanation: