I believe the answer would be Letter
B. Psychology
Digestive enzymes<span> speed up reactions that break down large molecules of carbohydrates, proteins, and fats into smaller molecules the body can use. Without digestive </span>enzymes<span>, animals would not be able to break down food molecules quickly enough to provide the energy and nutrients they </span>need<span> to </span><span>survive</span>
Answer:
Her eyes send signals to the brain. Her brain gets the signal and sends another one through her nerves to her muscles. Her muscles then move her arm or leg toward the ball to try and block it.
Explanation:
Simple science. If I could help you, you are welcome. if I couldn't I'm sorry.
Answer:
Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.
Answer:
2 or 4 depending on the process
Explanation: