Answer:
Hydrogen
Explanation:
I think it is showing cellulose cell or DNA as it is inverted 180° for the option there is no option for Phosphodiester bond however I know the answer is hydrogen.
Answer: nervous system
Explanation:
The nerves send impulses either from the brain or spinal chord for the body organs to coordinate
A membrane that allows only some materials to move in and out of the cell is B. Semipermeable.
Thunderstorms impact the environment and people by bringing lots of rain and lightening which could burn trees and strike people, and heavy winds. Thunderstorms can also bring tornadoes and which can be a horrible to the environment by destroying houses and cars and even cause fatalities
