PLEASE HELP 1. Which of the following pairs of chemicals are understood to be the products of photosynthesis and the reactants in cellular respiration?

A. C6H12O6 + 6H2O

B. 6CO2+ H2O

C. C6H12O6 + 6O2

D. 6CO2 + 6H2O

Prior to the development of dna fingerprinting, blood type could be used to determine possible parentage. although it might prove someone was not a parent, it could not show if someone was positively the parent, only that he or she might be a parent. which of the following is a true statement that can be made about parentage based on blood typing?

What are the student's observations and inferences before he starts his investigation?

Which of the following is an abiotic factor in an ecosystem? a. bacteriab. airc. niched. grass(abiotic=non-living) me !