In any particular culture, an idea or way of doing things that is common to the culture is called a cultural norm.
Answer:
Much of the X-ray and UV radiation from the Sun is absorbed in the thermosphere. When the Sun is very active and emitting more high energy radiation, the thermosphere gets hotter and expands or "puffs up".
Explanation:
-- To increase the frictional force between the two surfaces, press them together
harder, or rough up the area of contact with sandpaper or dirt.
-- To decrease the frictional force between two surfaces, decrease the force
with which they press together, or smooth (polish) the area where their surfaces
contact, or make the area <em>seem</em> smoother by lubricating it with grease, oil, air,
or smooth leaves.
Answer: 
pounds
Explanation:
Given:
Number of Americans = 325 million =
Average american consumes meat = 18 kg per year
325 million american consumes meat = 
per year
The conversion used from kg to pounds:
1 kg = 2.205 lb
Thus pounds of meat is consumed by the total U.S. population every year.
The answer would be B. The Amazon river being one of the largest rivers in the world has to have a big region. This region takes up 40% and has affect on that percentage too
