Answer:
Choice C. Sodium bicarbonate acted as a pH buffer in Solution 2.
Explanation:
Sodium carbonate is used as pH buffering agent. Buffering agent is a type of solution which contains weak base or acid which stabilize the solution when another strong acid or base is added to the solution. If acid is added, the weak base that is present in the solution reacts with it and when base is added, weak acid reacts with it.
Answer:
Based on the flow of energy form the lower order to the higher order will e more in a biological diverse ecosystem.
Explanation:
- An ecologist looking at the lush green ecosystem with different types of trees and plants suggests that its a healthy vegetation and thus has a high level of biodiversity.
- Due to the abundance availability of a good amount of sunlight, and water and rich quality of soil form the terms of producers and form the consumers i.e herbivorous animals the high quality of grass and green leaves to feed on.
- This would lead to high growth and development of the herbivorous animal. And similar for the carnivorous animals would get a good amount of prey.
If<span> the </span>original<span> organism decays, leaving an imprint and an empty </span>space<span>, it is </span>called<span>an exterior mold or simply a mold. </span>If a space in the structure is filled with minerals and then the original animal or plant part dissolves<span>, it is </span>called<span> a cast.</span>
