Acertain stem cell produces only muscle cells. what kind of stem cell is this?
o
o
a. multipotent
b. totipotent
c. unipotent
o
o
d. pluripotent

Land conservation is a worldwide priority. there are several methods to prevent the loss of land due to a variety of reasons. which method is not a way to conserve land? a) sea walls b) rainwater harvesting c) limits on clear cuts of forests d) cut and burn methods of clearing land