A membrane that allows only some materials to move in and out of the cell is B. Semipermeable.
It is an example of a withdrawal reflex.
Answer:
An atom's electronegativity gets higher as you move up in the periodic table. Thus, the atoms in the top right have the highest electronegativities and the atoms in the bottom left have the lowest ones.
The frontal bone can also be known as the forehead
Answer: Decomposers are the final link in a food chain or food web. Decomposers break down organic matter and release nutrients into the soil
Explanation:
