Answer:
the left atruim
Explanation:
Oxygen-rich blood flows from the lungs back into the left atrium (LA), or the left upper chamber of the heart, through four pulmonary veins.
Answer:
You are checking your carotid artery
After mining, to reclaim the land, the depression is filled with rocks then the top is filled with loosely graded soil. Introduction of early succession plants is important before big trees can grow. The early succession plants help in the breaking down of the rocks into soil hence making the topsoil deeper to support trees.
The warmer the star, the bluer it will appear. The cooler a star, the more red it will appear.
Proxima Centauri Red Dwarf Stars for example have significantly less heat, therefore their red color.
Because the gas that pumps out of the car goes into the air