4. When Earth is closest to the sun, the Northern Hemisphere is in winter. A. Why is this true?

B. Given the effects of precession, will this still be the case in 13,000
years? Explain your answer.

On a floor there are several 1-4 mm elongated drops leading away from a body lying in a pool of blood. the the forward wall there is a sigzag pattern and on the walls to the right side there is a linear patter

Which of these is true for bacteria because they are prokaryotic cells? a. they can engulf body cells in order to make memory cells. b. they must invade viruses in order to reproduce. c. they are much larger than eukaryotic body cells. d. they can reproduce on their own outside of other cells.

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above