Answer: A. 101.3 kPa
Explanation:
By experiment, standard sea-level pressure = 760 mm (29.92 inches) of mercury, which also = 14.70 pounds per inch², which also = 1,013.25 × 103 dynes per cm², which also = 1,013.25 millibars, and one standard atmosphere = 101.325 kPa.
Therefore, the unit of pressure that represents the force exerted by the atmosphere at sea level is 101.3 kPa
Answer:
B. Mesosphere
Explanation:
The Mesosphere is the layer of the atmosphere that protects the Earth from meteoroids. It is also the coldest layer of the atmosphere. Below it is the stratosphere and above it is the thermosphere.
Answer:
Salina
Explanation:
they accidentally came across it while mining for salt in 1859
The answer is B. I believe that this is the answer because the barnacle is benefiting from the gray whale without harming, or affecting it in the process.