Where does the Earth’s internal heat come from? Choose all that apply. It is left over from the planet’s formation.

It is absorbed from the sun.

It is created by the decay of radioactive elements.

It is created from molten lava.

Punctuated equilibrium verses gradualism have long been contested as ways in which species evolve. choose the best evidence for gradualism.

What are genotypes? what are phenotypes?

It is believed that europa, one of jupiter’s moons has an ocean beneath its surface. based on how earth’s oceans and atmosphere are believed to have formed, what can be said about europa’s supposed ocean? the arrival of in the early days of europa’s existence could have formed its ocean. it is likely that the water experienced , similar to earth. it is also possible that this water is retained beneath europa’s surface and in its atmosphere due to europa’s .