2. It is exposed to oxygen and it chemically changes. Usually seen as rust
Humans need both red and white blood cells in order to stay healthy and function well. You’re red blood cells carry oxygen. White blood cells protect the body against infectious diseases and invaders.
Answer: I'm pretty sure it's photosynthesis.
Explanation: During photosynthesis, plants take in carbon dioxide (CO2) and water (H2O) from the air and soil. Within the plant cell, the water is oxidized, meaning it loses electrons, while the carbon dioxide is reduced, meaning it gains electrons. This transforms the water into oxygen and the carbon dioxide into glucose.
<span>The answer is organelles a specialized part of a cell having some specific function. Organelles is a cell organ specialized part of a cell having some specific function; a cell organ. Also it is a structure or part that is enclosed within its own membrane inside a cell and has a particular function.</span>
We base hypothesis or theories off of data or observations.