2 years ago

Which best describes an experiment?

1 answer:

8 0

A: In a lab a scientist measures the height of roses that received different fertilizers.

An experiment must include variables. The other three are just measurements, but since the scientist is varying the types of fertilizers used, this better describes an experiment. It is also done in a controlled environment (in a lab) which helps to eliminate other uncertainties.

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How does photosynthesis contribute towards maintaining a clean environment and ensuring food security?

azamat

Answer:

Well for one photosynthesis gives out oxygen. This makes all animals able to live. So in that way it helps us and the world around us. Without photosynthesis we also could not eat food. No animals could live and no plants ould live. VERY IMPORTANT!

Explanation:

5 0

3 years ago

The term osmolarity has been used to describe the total solute concentration of a solution (generally water), where 1 osmole (Os

arsen [322]

Answer:

osmolarity depends upon molarity.

glucose is a non-ionizing substance. it won't break down and will go as a whole.

osmolarity means the solute concentration of a solution.

here, the solvent is water.

therefore, 1 osmole = 1 mol

the ions of glucose after forming a solution (i) = 1