Answer:
aims to benefit the environment is the correct answer.
Explanation:
The goal of Aims to the benefits environment is to provide everyone information, values, and skills which are required to preserve and protect the environment.
Aims to benefit the environment includes
- To decrease emissions and reduce pollution.
- To improve waste management methods.
- To reduce the consumption of natural sources.
- To minimize noise and different nuisances.
B. 6 atoms of carbon C
I would think this is the answer, because one can't just delete or add atoms; otherwise, the equation would be unbalanced. This also abides with the Law of Conservation of Mass.
Plus, I also came to that conclusion because if we look at the net equation of photosynthesis:

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The number of Carbon atoms is 6 on both the reagent's side and the product's side.
Answer:
I think the answer is test tube 2
B. the frogs are a limiting factor for the gnats
the frogs limit the reproduction of the gnats, and therefore with less frogs the gnat population can increase
I believe the answer is
At the moment it is the best way of explaining our scientific knowledge.