Which of the following processes does not contribute to carbon cycling? A. Condensation
B. Photosynthesis
C. Combustion
D. Respiration

Which system revise and send electrical signals throughout the body

What do all macromolecules have in common with each other? oa. they all are formed from the same elements. ob. they all have major roles in cell membranesoc. they all act as catalysts in the body. od. they all have peptide bonds between carbon atoms.

Which are characteristics of flukes? check all that apply. a they are free living. b they are a type of flatworm. c they reproduce sexually. d they have eyespots. e they are segmented.