Which of the following is a direct cause of surface currents
a. uneven heating
b. high salinity
c. differences in density
d. wind forces

Which of these is the best source of stem cells and minimizes the risk with cell transplantation

Living things that cannot make there own food are called what

Leopold's genotype is xy. what does this mean? a. leopold had hemophilia b. leopold did not have hemophlilia c. leopold was a carrier of hemophilia, but did not have the disease d. leopold's daughter would have hemophilia