Explanation:
The sun heats the earth through radiation. Since there is no medium (like the gas in our atmosphere) in space, radiation is the primary way that heat travels in space. When the heat reaches the earth it warms the molecules of the atmosphere, and they warm other molecules and so on.
Answer: Hydrocarbons enter the cell by dissolving in the lipid bilayer of the membrane.
Explanation:
Protons- these have a positive charge
Electrons-negative charge
Neutrons- neutral charge
50% because they each get half from their mom and half from their dad
