Q: Fact 1: Plucking a string can cause that string to vibrate. Fact 2: When something makes a noise it is vibrating. Given the two facts above, plucking a string can cause that string to make what?

OPTIONS:
- colors
- light
- Energy.
- a chime
- flavors
- sound
- noise
- waves

A: noise

Q: Fact 1: Organs of excretion make up the excretory system. Fact 2: Excretion is a life process. Given the two facts above, what is part of the life process?

OPTIONS:
- firefighters
- Chemical energy
- bacteria
- First responders
- police
- Organic compounds
- Excretory system
- oxidation reaction

A: Excretory system

Q: Fact 1: Being exposed to wind can cause erosion of soil. Fact 2: Erosion Soil erosion is the detachment and movement of soil materials by wind or water. Given the two facts above, what happens when soil is exposed to wind?

OPTIONS:
- It's healthy
- The area was once underwater
- Plant growth is reduced
- It stays in place
- forest is destroyed
- It grows plants easier
- It gets heated up
- It detach and moves

A: It detach and moves

Q: Fact 1: Coral reefs provide food and shelter to many ocean organisms. Fact 2: Humans depend upon the life-support systems provided by the oceans. Given the two facts above, what do coral reefs provide for humans?

OPTIONS:
- Energy.
- support
- fuel
- Energy
- food
- destruction
- pain
- body water

A:
support