D. Oxygen
It refers to the pathway by which a chemical element is moved through both the abiotic and biotic compartment of an ecosystem.
It would definitely be at 90%
Answer:
opposite charges attract one another.
Like charges.repel
<span>The answer is green, yellow or brick-red. If simple sugars are present, the blue solution will turn green, yellow or brick-red when combined with the food sample and heated. </span>Benedict's solution<span> is used to test for simple sugars, such as glucose. It is a clear blue solution of sodium and copper salts. When heated with the food sample, the blue solution changes color to green, yellow, and brick-red, depending on the amount of sugar.</span>
An enzyme is an organic catalyst.
<h3>
What is an enzyme?</h3>
Enzymes are proteins that help speed up metabolism or the chemical reactions in our bodies.
They build some substances and break others down.
All living things have enzymes. Our bodies naturally produce enzymes.
But enzymes are also in manufactured products and food.
Examples of specific enzymes:
Amylase: In the saliva, amylase helps change starches into sugars.
Maltase: This also occurs in the saliva, and breaks the sugar maltose into glucose.
Trypsin: These enzymes break proteins down into amino acids in the small intestine.
To learn about enzymes, refer
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