Answer:
<em>It is a constant when the light is traveling in a vacuum.</em>
Explanation:
Limestone is essential for the formation of petroleum reservoirs
Limestone is great for soil as due to its structure, it can buffer acidic chemicals in soil
It is useful in the prevention of explosions from mining that are caused from too much methane release
It is useful in mediating the effects of erosion the the environment
The column of mercury in the barometer is lowest when the barometer is ion location 4. Atmospheric pressure measured by the barometer decreases with an increase in altitude. Atmospheric pressure is caused by the column of air above the ground level at any given point on the earths surface thus an increase in altitude leads to a decrease in this column leading to a decrease in atmospheric pressure.
Unnatural Occurrences. Hope this helped.
Cells are the basic building blocks of all living things. The human body is composed of trillions of cells. They provide structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized functions.
Hope this helps
-lvr