Could you give the options plz? :)) if not you can look up discriminations of astronomy and use the process of elimination to find your answer
Answer:
1 new DNA molecule, 1 old molecule is conserved
That then right after heat it evaporates and then the water that is still in the bowl lowers because of the heat that sends out water molecules that just disappear. :)
The answer is B) Genetic variation
Answer:
active immunity
Explanation:
Active immunity is the form of acquired immunity in which the body produces its own antibodies against infections. When infectected by a bacterial infection that had happened before, one will not become seriously ill. This is because memory cells are able to recognise the antigens and stimulate the immune system to produce antibodies against the pathogens.