I was helping my sister with her homework and she was taking the quiz and said some of these were wrong. Can you help me check these for my stubborn baby sister?
Thank y'all so much.
1. Which of the following are greenhouse gases?
carbon dioxide, methane, water vapor

2. If the moon is located between the earth and the sun, which phase will we see from earth?
new moon 

3. Which part of a telescope focuses the incoming light?
mirror  

4. The process of upwelling brings which of the following to the surface?
cold water *(nutrient enriched cold water)  

5. The density of ocean water is dependent on which of the following?
temperature and salinity  

6. Which of the following is true of the hottest stars?
They are the brightest stars
7. The carbon cycle is closely related to which of the following?
water cycle


8. Why do we always see the same side of the moon?
The moon revolves around the earth at the same rate as the earth rotates on its axis.

9. The movement of water from the atmosphere to the ground is called which of the following?
precipitation

10. Helium in the sun is produced by which of the following processes?
nuclear fusion

11. What is true of renewable resources?
They will continue to be in near constant supply.

12. Which of the following is a renewable resource?
wind

13. Which of the following describes light as a wave? (Points: 5)
Light is a transverse wave.

14. Of the terrestrial planets, Earth and Venus are which of the following?
about the same size

15. A planet’s gravity is related to which of the following?
mass and size


16. All planets rotate counterclockwise except one. Which planet rotates clockwise?
Venus

17. Small, rocky bodies that are thought to be leftover remnants from the formation of the solar system are called which of the following?
asteroids

18. Debris from the solar system strikes the earth as which of the following?
meteorites

19. Which process leads a star to glow and produce energy?
nuclear fusion