Answer: C
Explanation: I took the test hoped this helped :)
<span>When the surface layer was dug up, the permafrost was exposed. When the weather warmed, this exposed permafrost would have melted and become soggy, causing the ground underneath the tracks to shift.</span>
Answer: Four pulmonary veins.
Explanation: Oxygen and nutrient rich blood will flow from the lungs back into this part called the left atrium (Or as some will call it, the left upper chamber in the heart). From there, it goes through four pulmonary veins.
Hope I could help! :)
Answer:
the world will end on few hours............
The component is called 'resting metabolic rate. It operates when the body is at complete rest. It can also be called basal metabolism.
