Enzymes are protein molecules which serve as catalysts for chemical reactions. A catalyst is a substance which will decrease the activation energy for a reaction. ... Enzymes will make reactions occur much more easily, quickly and more efficiently than they ever would without the enzyme.
<u>Answer:</u>
<em>D. It is the female part of the plant and contains the ovules, which house the main egg.
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<u>Explanation:</u>
Pistil is the part of female reproductive system of the plants. Stigma, style and ovary together constitute a pistil. Ovary is the swollen base of the pistil that contains eggs or ovules to which the nuclei of the pollen grain fuse and form seed.
Stigma is the outer most part that captures the pollen grains and transfers it to the ovary through the style. Style is the elongated part that connects the stigma and the ovary.
I am not sure what is the answer
Some humans are using more than their fair share of water and it is having a huge impact on the environment. People tend to let their water run while brushing their teeth or shaving, and those are just two of the major problems. There may also be leakages, which can waste gallons among gallons of water. Wasting water hurts humans, it leaves them with less accessible, usable water. Additionally, wasting too much water can hurt the local environment as it drains too much water away from the natural ecosystem.
