Amino acids, sugars, and ions move<span> across </span><span>the cell membrane</span>
The answer to this question is
B: the theory of evolution
I hyope this is correct and helps
Answer:
oxygen atoms come from split water molecules
Explanation:
Answer:
chemical change.
Explanation:
There are two types of changes in matter: physical change and chemical change.
physical change- it is a change in matter that alters only its physical properties or its physical appearance. This type of change is reversible. For example- freezing of water, the water turns into solid ice and it can be reversed by melting the ice.
chemical change- it is a change in matter that alter its chemical and thus its physical properties. Most chemical changes are irreversible. for example- burning of paper, results in black soot and ashes- Thus changing both physical and chemical properties.
