Answer:
Explanation:
The ball-and-stick model cannot show the actual size of the atoms depicted in the model. You also cannot see the actual bond lengths between the atoms.
<span>The enzymes are used to cut DNA sequences into smaller pieces. Therefore the answer is D.They break DNA into fragments that vary in size.</span>
Explanation:
In a fat molecule, the fatty acids are attached to each of the three carbons of the glycerol molecule with an ester bond through the oxygen atom. During the ester bond formation, three molecules are released. Since fats consist of three fatty acids and a glycerol, they are also called triacylglycerols or triglycerides.
3 sources are Nuclear wastes,coal ash, and electronic wastes