It is called genetic engineering
Topsoil is the A horizon in figure 7-1.The most leaching of minerals occurs from the A horizon into the B horizon. The C horizon shown in figure 7-1 is most like the parent soil, and <span>the A horizon in figure 7-1 contains the most humus.</span>
A patient with rib fracture are at risk of atelectasis. Lung is a small organ that was attached to the chest. The lung normally forced to expand to chest size. In case of rib fracture, the lung might became collapsed because the chest might lost the force to make the lung to expand.
Grunting or <span>partial expiration against a closed glottis might keep the lung from collapse as it makes the lung release the air slower. </span>
Answer:
planet A is mars
planet B is earth
Explanation:
mars is known not to have Evan a slight bit of water.
Earth is rich in oxygen, there are water bodies present and because it has water many clouds must be present.