Answer:
B
Explanation:
I guess the answer should be B. Factories produce lots of smoke that when go into contact with the sun, turns into ozone.
Then, ozone is a greenhouse gas.
Double Helix is the three-dimensional structure of DNA
Answer:
It might Be A. Rough and Unsertain
Explanation:
Earth's mantle has kept contributing to the Earth's atmosphere through a process called degassing. During this process, gases are emitted from the magma in the mantle and are transferred into the atmosphere through tectonic procedure such as ocean ridge spreading and volcanism.
Answer:
8 x 5. each student has 5 followers and there's 8 students so 8 x 5
