The answer is gelatin. Correct me if im wrong.. Since gelatin consist of the elements Carbon, Hydrogen, Nitrogen and Oxygen. (same as the protein elements.) [biuret test is used to test the presence of amino acids]
Precipitation is the primary source of water stored in an aquifer. the correct option in regards to the given question is the first option.
An aquifer is actually an underground layer of water that
contains permeable rocks, gravel, sand etc. the water can be brought to the
surface by making a water well. Hydrogeology is the study of aquifers and the
way of water flow in the aquifers. The depth of the aquifers differs from area
to area and the aquifers that are closest to the surface are used for drinking
and irrigation purposes.
<u>ANSWER:</u>
Scientific explanations are accepted when there is sufficient evidence to prove them right. In addition, scientific explanations must be logical to be acceptable and must match as much evidences as possible.
<u>EXPLANATION:</u>
- Scientific explanations explain something about the natural world by making use of observations and measurements.
- These are usually tentative proposals that need to be verified or proved to be true.
- The observations and measurements must prove the scientific explanation to be true or must support it so that it becomes acceptable.