The discovery of the visible light emitted shortly after the Big Bang would be greatly
redshifted by now and would be what kind
of light (energy)?
radiowaves
gamma rays
microwaves
X-rays

Answer (d) the greenhouse effect is primarily caused by car and trucks;

Historians are researchers of the past or people who understand the history of people. with this field, they must possess qualities such as being unbiased, patient, efficient reader, has a knack for logic and critical thinking and reasoning, disciplined, open-minded, resourceful, with good analytical ability, good reasoning skills and problem solving!

Answertrue: