1, 2, and 3
hope it helps next time upload with picture
Answer:
1. B
2. M
3. V
4. M
5. M
6. V
7. B
8. M
9. V
10. V
11. Red
12. Approx. 1/4 - 1/2 an earth year
Explanation:
Answer:
pH ( potential Hydrogen ) is a negative logarithm of molar concentration of hydrogen ions.
![pH = - log[H {}^{ + } ]](https://tex.z-dn.net/?f=pH%20%3D%20%20-%20%20log%5BH%20%7B%7D%5E%7B%20%2B%20%7D%20%5D)
therefore:

Answer:
1. The Earth's orbit around the Sun is an ellipse, but it does change shape. ...
The tilt in the axis of the Earth is called its obliquity
Explanation:
2.Volcanic eruptions pump out clouds of dust and ash, which block out some sunlight.