Which of the following is responsible for putting nitrogen back into the air? a. photosynthesis
b. Nitrification
c. Excretion
d. Decomposers

Food webs - transferring energy and matter from one level to another. here you see four food webs. one or more are incorrect. which food web(s) show the correct sequence of organisms, from start to top level consumer? a) a b) d c) c d) a and d

Match the reproductive structures based on their function and the system to which they belong. egg ovary sperm vas deferens vagina fallopian tube testis urethra

Which benefit of the community experience when its members have a hide level of health literacy