Plant trees and plants could be considered as a solution for atmospheric contamination caused by fossil fuel combustion. This solution could be considered as appropriated because: I. Trees and plants release oxygen to the environment, cleaning it.

II. Trees and plants send water to the atmosphere through transpiration.

III. Trees and plants take carbon dioxide from the contaminated atmosphere.

The true sentences are:

Select one:
A. I and II
B. II and III
C. I and III
D. I, II and III

As a small change in a person's dna can cause a genetic disorder

Dna replication or repair occurs in a cell in all of thw following situations except when

80 points pls brainliest 1. what does a red shift mean? blue shift? 2. describe the big bang theory. according to this theory, how old is the universe? 3. scientists believe the universe is expanding. what is the evidence that supports this? 4. describe a nebula. 5. describe the 3 types of galaxies. what is a barred spiral galaxy? 6. what is a light year? how far is alpha centauri from earth? 7. describe the universal law of gravitation. be sure to include gravitational force between two objects. 8. describe the planets’ orbits around the sun. 9. what is the asteroid belt? where is it located? 10. describe rotation and revolution of earth. what determines an earth day and year? 11. how do galaxies exist? 12. compare and contrast the inner and outer planets. 13. what causes the seasons?