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.

helicase, i think thats it

there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link:

the correct answer in apex is tissue development, i know because i just had this question

answer///unconditioned stimulus;