For which of these would the special theory of relativity be most important?
a. the space shuttle orbiting earth
b. a collision between two large trucks on a highway
c. the eruption of a large volcano after many earthquakes
d. experiments performed in high-speed particle accelerators

D.experiments performed in high-speed particle accelerators

Explanation:

I just did the quiz and that was the answer.

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:

the total distance that martina travels that day is

(distance from home to mom's office) plus (distance from mom's office to school)

plus (distance from school to library) plus (distance from library to friend's house)

plus (distance from friend's house to martina's house).

(we don't know what any of these distance actually is.)