During the development of a multicellular organisms, which cells are totipotent? Select all of the answers that apply
A
the fertilized egg and the cells produced by the first few cell divisions
B. all cells of the blastocyst, which is a hollow ball of cells and an early embryonic stage
C. the germ layers of later embryonic stages
D. certain cells in the growing regions of the adult organism

Why are carbon dioxide concentrations expected to increase? a carbon dioxide concentrations are expected to increase, because fossil fuel burning is expected to increase b. carbon dioxide concentrations are expected to increase, because of an increase in agriculture. c.carbon dioxide concentrations are expected to increase, because more land will have to be cleared for increasing populations and agricultural use. d. all of the above select the best answer from the choices provided mark this and return save and exit next submit submit