Fill in the blank : A is a day in relation to the sun, while a is a day in relation to a distant star. ​

Im not sure about the first blank but the second one I think is rotation

hope this helps

have a good day :)

Explanation:

it enhances antibody production by t cells of the adaptive immune system.

hope i'm right

explanation:

an organism's phenotype is the  form of a trait  that it  displays. for  flowercolor, a pea  plant  can  display  a phenotype of purple or white flowers. an organism's  genotype  is the alleles of a gene it contains. based on his data, mendel concluded that a phenotype can be  determined  by more than one  genotype.