Their atoms have the same number of valence electrons
Male, because they select the gene because xx girl and xy is boy. so he chooses x or y.
The mesosphere extends upward above the stratosphere, temperatures decrease. The coldest parts of our atmosphere are located in this layer and can reach –90°C.
Answer: The correct option is D
Explanation: The transport of glucose through the cell membrane is carried out by two types of proteins: transporters of glucose coupled to sodium, and proteins facilitating the transport of glucose. In both cases, the method of transport is the facilitated diffusion through protein channels.
The Galapagos islands. the grants studied finches on these islands to learn more about evolution
