DUE in 3 minutes!! GET THIS CORRECT PLZZ! Which is the common ancestor?

In the diagram below, the northern hemisphere would be in what season at position a a.fall b. winter c.summer d.spring

If a strand of dna has 35% thymine. what is the percentage of cytosine, adenine, guanine?

The blue particles in this image are able to cross the cell membrane through simple diffusion. how will they be transported? outside the cell inside the cell o a. the substances will move directly across the membrane from outside the cell to inside the cell. b. the substances will move through channels in the membrane proteins from outside the cell to inside the cell. o c. the substances will move through channels in the membrane proteins from inside the cell to outside the cell. o d. the substances will move directly across the membrane from inside the cell to outside the cell.