Answer:
Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.
Sunlight is the main energy source
Answer:
Ischemic heart disease
Explanation:
Ischemic heart disease is a condition of recurring chest pain or chest discomfort that happens when a part of the heart does not receive enough blood.
This happens when the arteries have become blocked with plague and blood can no longer reach the arteries.
In cases where medication fails, surgical procedure like CORONARY HEART BYPASS is done. This is when blood flow is routed by arteries transplant, this procedure helps to restore blood flow.
Answer:
The geologic time scale is an important tool used to portray the history of the Earth—a standard timeline used to describe the age of rocks and fossils, and the events that formed them. It spans Earth's entire history and is separated into four principle divisions.
Explanation:
Answer:
A. Nitrogen, Oxygen, and Argon
Explanation:
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