First question: “Every system in the body relies on oxygen. From cognition to digestion, effective breathing can not only provide you with a greater sense of mental clarity, it can also help you sleep better, digest food more efficiently, improve your body's immune response, and reduce stress levels.” -google
Answer:
D. Photosynthesis
Explanation:
Plants got more sun on land, so photosynthesis helped them create more energy.
Answer:
B.
Explanation:
The brightness of light is related to intensity or the amount of light an object emits or reflects. Brightness depends on light wave amplitude, the height of light waves. Brightness is also somewhat influenced by wavelength.
The answer is A:<span> Metamorphic rocks</span><span> may display two different grain sizes.</span> :)
