You should begin a new investigation

a. by making up the data that you will report later.
b. by reviewing related work done by others.
c. by using only your opinion on how the investigation should be done.

What are the formed elements (cell or parts of cell) in blood and what are their functions ?

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.

Factors that can increase mutation rates a. high temps b. low temps c. food additives d. uv rays