The answer is; B.
Cells have different receptors on their surfaces that are responsive to particular signals (such as hormones). When a signal interacts with the particular receptor, a particular response is invoked in the cell. This signal may be produced even by a cell that may be far away from the target cells. This is how cells communicate with each other to maintain homeostasis in the body.
When exercising carbohydrates an fats are oxidized to release energy used by muscles, during this oxidation 1 liter of oxygen is equivalent to approximately 5 calories. Therefore if one liter of oxygen is consumed every minute during exercise, then in an hour 60 liters of oxygen will have been used. But since one liter of oxygen is equivalent to 5 calories, then in an hour 300 calories will have burned.
Answer: Most sedimentary rocks come from the ground, grand canyons, and even valconoes.
Explanation: Sedimentary rocks are rock that have been squished together by other rocks. One sedimentary rock can be made up of 10 or more rocks!
Answer:
False
Explanation:
The layers include mantle, crust, cores, lithosphere.
