What is the significance of the cmb?
oa. it provided direct proof of the big bang theory.
b. it shed light on the formation of the milky way.
c. it was the first direct observation of a supermassive black hole.
od. it provides proof of the existence of supermassive black holes.

The most important difference between a wedge and an inclined plane is a. their size b. their shape c. how they are used d. what they are made of

What is a neurotransmitter involved in mood reward, addiction, and motor behaviors?

Agroup of monkeys is trying to cross the river in a rowboat. the maximum buoyant force on the rowboat is 2,000 n. the weight of the rowboat is 1,000 n. each monkey has a weight of 150 n. how many monkeys can safely cross in the rowboat at one time? explain your reasoning, including any calculations you used to find the answer.