Hydrogen, helium, and carbon.
Answer:
Option D: More than 90
Explanation:
Thickness probably depends on temperature. The higher the temperature, the more aliens we expect to be thin.
Answer:
Explanation:
Given
Cross-sectional area of two areas is


It is filled with oil of density 
mass of car place on Large area 
Suppose a mass of m kg is placed on smaller area
According to pascal law's intensity of pressure is same at every point on Liquid




Answer:
they rise in temperature
Explanation:
when there being compressed theres more pressure causing heat