Answer:
7
Explanation:
Mechanical advantage is given by the ratio of the distance of the fulcrum from the two objects of the system.
Here the boulder is from the fulcrum and the mass at the other end of the lever is from the fulcrum.
So, mechanical advantage is given by
So, mechanical advantage of the board is 7.
The Correct answer is A (True)
A clear slightly alkaline body fluid bathing body tissues containing mostly of white blood cells and is found in the lymphatic vessels that drain the tissues of the fluid that filters across the blood vessel walls from blood. Supplement. Lymph is the fluid circulating through the lymphatic system.
Answer:
not 100% sure but my answer would be T F T T F F F F T T
Explanation:
I am pretty sure that the thing which most likely happen to plants if they did not have a waxy outer coating is being revealed by the last option D. They would be harmed by insects and UV radiation. Every plant has to be protected by membrane so that it would be able to deal with drought small invaders and other external forces.