The plasma membrane<span> is the boundary between the cell and its environment. It regulates what enters and exits the cell. Cells must maintain an appropriate amount of molecules to </span>function<span> inside them. They must also have a way to keep things out or to allow things to enter.</span>
Answer:
Solid metal.
Explanation:
At room temperature, Chromium (Cr), a transition metal, is a solid.
CH2O2 formic acid I believe so
Answer:
Every atom has no overall charge (neutral). This is because they contain equal numbers of positive protons and negative electrons. These opposite charges cancel each other out making the atom neutral.
Explanation:
