Global warming, Cosmic Background radiation (even though most is blocked not ALL), and pollution.
30% should be the percentage of oxygen if the total mass of fe2o3 is 160.
Answer:C
Explanation:you are seeing a lunar eclipse when the moon moves directly between the sun and the earth and casts a shadow. Hope this helps!
Answer: Calories
Explanation: One calorie is the amount of energy required to raise one gram of water one degree Celsius
He is the closest. Then:
Ne, N2, CO, NH3.
NH3 is the least closest to ideal.
