The answer to your question is 1/3
From what I remember, c is the correct answer.
<h2>
Answer: C) stars in these regions are hidden by interstellar dust grains.</h2>
Explanation:
Some areas of the Milky Way seem dark because those are areas of the galaxy that are hidden by huge columns of interstellar dust that we cannot see through the visible range of the electromagnetic spectrum (which is the range in which our eyes see).
However, to solve this problem, astronomers use telescopes that work in the range of infrared and radio waves, to observe a little more through this intersetelar dust.
Answer:
Explanation:
a.) Summarize where air pollution can be found.
Air pollution can be found in many human activities - emission from power plants, exhaust from cars and trucks, pollutants from factories.
b.) What forms can air pollution take?
Air pollutants can be in solid form like particulates and gases such as SO2 from coal burning and ozone.
c.) Can all air pollution be prevented?
No, the most obvious air pollution that cannot be prevented is from cows when they pass gas!
