Answer:
This process of making sugar and oxygen is called photosynthesis. Pond weed uses the carbon dioxide which is dissolved in the water it is in. The amount of dissolved carbon dioxide can be varied by adding sodium hydrogen carbonate (carbon dioxide solution) to the water.
Explanation:
I think the correct answer among the choices listed above is option C. The correct order of organizations of structures in living things from simplest to most complex should be c<span>ells as the most basic unit of life, Tissues, Organs and Organ Systems. Hope this answers the question.</span>
<span>The correct answer is a. the overuse of fertilizer lead to reduced crop yields over time. This was unexpected because it is common for fertilizers to increase the yields and the quality of the product, but what happens over time is the opposite so it can be said that it's an unexpected consequence.</span>