Super easy science question will mark brainlest< 3

For number 5 the answer is D. Water molecules are split apart. For number 6 the answer is D. Marine plankton. Hope this helps

heat or electricity in the atmosphere- c.

the earth would become to overheated and everything alive on it will eventually die from overheating. plants will eventually die as well, water will evaporate, and it will be nothing but a hot planet without anything living on it.