A) A sound wave
The other 3 create mutations, are cells are hit by sound waves all the time and experience no mutations because of it
It is A. Those are all decomposers, the other answers like C are all animals. Decomposers are are biotic organisms that break down basically dead plants or animals.
Answer:
Fiscal policy refers to the use of the government budget to affect the economy. ... Generally, expansionary policy leads to higher budget deficits, and contractionary policy reduces deficits. An expansionary fiscal policy leads to higher budget deficits while a contractionary policy reduces deficits
Explanation:
plz follow me and mark me as brainlliest
