What is the main function of the circulatory system? A. making your eyes able to see

B. moving oxygen and nutrition to your cells and pulling waste away

C. bleeding if you are cut

Select all the true statements about the cosmic microwave background radiation

What can be said about farmers in highly developed countries? a) they have little or no negative impact on the environment. b) they practice subsistence agriculture. c) they are able to incorporate polyculture into their farming practices. d) they utilize organic farming techniques on a regular basis. e) they rely on large amounts of energy from fossil fuels.

Apair of fruit flies reproduces and has 1,000 offspring. all 1,000 of the offspring have the alleles gg. what is the most likely combination of alleles for each parent