Answer:
Passive Transport , Diffusion, Osmosis
Explanation:
Active Transport requires energy. Endocytosis, exocytosis and facilitated diffusion are types of Active Transport.
Passive Transport does not require energy. Diffusion and osmosis are types of Passive Transport.
The stomach breaks down food , so it has the most acidic substance
I think the answer is D but it's been a while since I've done this.
Answer:
Ionizing radiation comes from these main sources:
Nuclear reactions in the Earth's sun and stars in space.
Radioactive decay in the body's tissues and in the soil.
Radioactive decay of unstable elements in rocks, especially rocks that contain radium and release radon gas.
Other examples of ionizing radiation include alpha, beta, and gamma rays from radioactive decay.
Answer:
<h2> I don't know but my Answer is </h2><h3>from different environments ,each structure suits their environment better than the other's</h3>
