Answer:
Ozone
Explanation:
In the stratosphere, ozone is created primarily by ultraviolet radiation. When high-energy ultraviolet rays strike ordinary oxygen molecules (O2), they split the molecule into two single oxygen atoms, known as atomic oxygen.
See image that I have attached
Answer:
-60°C
Explanation:
According to this question, a material was cooled from 100ºC to 40ºC.
The temperature change, which is symbolized by ∆T = final temperature - initial temperature
That is, ∆T = T2 - T1
In this question, T2 = 40°C, T1 = 100°C
Hence, ∆T = 40°C - 100°C
∆T = -60°C
The temperature of Earth's surface would be SIGNIFICANTLY LOWER. This is due to water vapor's critical need to help warm and support life
Galaxies are basically <u>billions and billions of stars, gas, and dust packed together which forms a galaxy. </u>
The phrase that best defines a galaxy is "large collection of stars, gas, and dust held together by gravity".
