Answer:
they provide the body with energy
Explanation:
Carbohydrates are your body's main source of energy: They help fuel your brain, kidneys, heart muscles, and central nervous system. For instance, fiber is a carbohydrate that aids in digestion, helps you feel full, and keeps blood cholesterol levels in check.
One scientist who attempted to explain how rock layers form and change over time was... James Hutton.
I hope this is the answer you were looking for. I believe I’ve answered a question similar to this before!
~Brooke❤️
Answer:
Maintain homeostasis.
Explanation:
Homeostasis is the ability to maintain a stable internal state. All organisms need to maintain homeostasis and must regulate their internal environment to process energy and stay alive. Rubbing your arms and shivering is your body's natural response to getting colder and trying to warm up. The students body is responding to the cold environment in order to maintain homeostasis - in this case the proper body temperature of 98.6°F or 37°C.
Capacity and overall strength of their lungs and heart.
..... A. The same
all the others don't make sense.
