How can spectroscopy and infrared technology be useful in space? (5 points) a.)They can enhance speed by making spacecraft fuel more efficient.

b.) They can measure magnetic fields produced by astronomical bodies.

c.) They can provide an emergency escape to the astronaut from a space center.

d.) They can determine the elements that make up the surface of astronomical bodies.

B

Explanation:

i took the test

cell differentiation  is how generic embryonic  cells  become specialized  cells. this occurs  through a process called gene expression. gene expression is the specific combination of genes that are turned on or off (expressed or repressed), and this is what dictates how a  cell  functions.

explanation:

multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).