What happens when sex cells have mutations during replication?
a. problems in somatic cells
b. silent mutations
c. formation of proteins
d. offspring with mutations

Which of the following is a question of morality? a.) delierately reporting false data b.) accidentally reporting false data c.) kepping a sloppy record of experimental observation d.) condition a drug experiment which will harm a lab rats

Which of the following is a way that minerals are used? a. industry construction technology d. all of the above

Consider the model of the oxygen cycle on earth. the majority of earth's oxygen reservoirs are found in the a) atmosphere. b) biosphere. c) hydrosphere. d) lithosphere.