Do humans, turtles, horses, birds, bats, and seals share a common ancestor?

Iam stuck on this question! 45 points : ) how do increases in temperature affect the density of ocean water? answer choices: (a) density does not change (b) density increases (c) density becomes variable (d) density decreases

In a scientific experiment, a is any factor that can be changed or be changed

Why would the composition of a meteorite resemble the earth's interior?