Answer: What do red signs indicate?
Red: Red generally means stop. The use of red on signs is limited to stop, yield, and prohibition signs. White: A white background indicates a regulatory sign.
Explanation:
Answer:

Explanation:
Skin covers all the body surfaces. The purpose of the skin is protect the body against infection, injury, heat or cold and also to store water and vitamins.
Body surface area is measure of surface area of the human body. It is measured in
.
<u>There are many ways to measure the skin surface area of the body but the formula which is widely used is Mosteller formula, which is:</u>

Get under a table or something that can protect u from falling stuff
Yes. This is active transportation, which means it needs ATP to travel low to high concentrations. An example is the Sodium-Potassium pump
Answer:
Yes, Bubbles can be a sphere, ellipsoid or a hemisphere.