Choose all (3) that are correct. Cells become specialized: A. immediately after conception occurs.
B. from stem cells.
C. in order to perform different functions.
D. when certain genes are expressed while others are not​

b brown mice / white sand dunes

carbon traps heat so more of it makes it hotter causing global warming. during the ice age carbon levels in the atmosphere were low so it got very cold. so the common things between them is carbon levels in the atmosphere.

answer; endometriosis;