Acidic solutions have pH of less than 7. Neutral have pH of 7. Basic solutions have pH higher than 7.
Answer:
In an ecosystem, energy enters in the form of solar energy or light energy from sun. Solar energy is transformed into various other types of energies like kinetic energy, chemical energy, potential energy, etc; but it eventually leaves the ecosystem in the form of heat energy.
Answer:
I believe the answer is B.
Explanation:
It's not A, C and I don't think it's D.
As the Earth rotates, your region of Earth passes through both of these bulges each day. <u>When you're in one of the bulges, you experience a high tide. When you're not in one of the bulges, you experience a low tide.</u> This cycle of two high tides and two low tides occurs most days on most of the coastlines of the world.
Answer: A
Explanation: Diffusion is important to cells because it allows them to gain the useful substances they require to obtain energy and grow, and lets them get rid of waste products. This table shows examples of substances required by cell and associated waste products.
