<span>The answer is option D.
Cold, or common cold, is a viral infectious disease that is infected through the air mainly via close contact, and touching objects previously grabbed by infected people
and avoiding going into the school and keeping a distance from her family is the best option in order to prevent further spread of the disease.</span>
I’m pretty sure the correct answer is A
Answer: D. Laney love to spend the afternoon at the burger joint next to school with her friends. She dislikes exercise.
Answer:
The correct answer would be B. 18 to 26%.
The muscle efficiency is calculated by dividing mechanical work output by total metabolic cost.
It is estimated that human muscles have an efficiency of about 18% to 26%.
The efficiency is low because most of the energy is lost when food energy is converted into ATP (adenosine triphophate).
In addition, there is second energy loss when energy in the form of ATP is converted into the mechanical energy such as rowing, cycling et cetera.
Explanation: