Well the answer to number 1 is definitely B
number 2 is B
number 3 is D
Number 4 is C
Hope this helps:)
Answer:
the air contains nitrogen carbon dioxide oxygen and many other gases
Industrialization has historically led to urbanization by creating economic growth and job opportunities that draw people to cities. Urbanization typically begins when a factory or multiple factories are established within a region, thus creating a high demand for factory labor.
Answer: A. Gamma Ray
Explanation:
X-ray scans can diagnose possibly life-threatening conditions such as blocked blood vessels, bone cancer, and infections. However, x-rays produce ionizing radiation—a form of radiation that has the potential to harm living tissue. However, the risk of developing cancer from radiation exposure is generally small.
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Answer:
The pressure is 4.939 atm
Explanation:
As we know
PV = nRT
where P is the pressure
V is the volume
n is the total number of moles
R is the gas constant
and T is the temperature
Substituting the given values we get -
The pressure is 4.939 atm
