Answer B is false. An element is a type of atom and you do not need to combine two atoms to get a specific element. Combining two atoms will leave you with a compound not an element.
Answer:
DNA extraction is the first step in the genetic engineering process. In order to work with DNA, scientists must extract it from the desired organism.
Answer:
A
Explanation:
if you hide a storm drain it really doesn't do much because it doesn't clean the water, and all of the other options do clean water of contaminants.
Vitamin A helps form and maintain healthy teeth, bones, soft tissue, mucus membranes, and skin. Vitamin B6 is also called pyridoxine. Vitamin B6 helps form red blood cells and maintain brain function. This vitamin also plays an important role in the proteins that are part of many chemical reactions in the body.