Which of the following activities are part of scientific
investigations?
a. observing
b. communicating
c. all of these

Sickle cell amelia is a condition condition where the red blood cells are deformed which is affected by sickle cell amenia

An organism's reproductive strategy includes all of the following except a. the number of offspring produced. b. the amount of energy expended in producing offspring. c. the length of time parental care is given d. the number of alleles an organism passes on.

In which ways are mercury and venus similar?