Q: Fact 1: Heavy rains cause flooding. Fact 2: Flooding is problematic because it causes erosion problems. Given the two facts above, erosion can be caused by ? | OPTIONS:
- coastlines
- mouth of rivers
- vehicles
- heavy rains
- Pesticides
- deforestation
- detritus
- ice wedging
A: heavy rains

Q: Fact 1: Plant requires seed dispersal for reproduction. Fact 2: Seeds are dispersed by animals. Given the two facts above, what does plant reproduction require? | OPTIONS:
- energy
- Energy.
- bloom time
- insects
- snow
- animals
- rivers
- clouds
A: animals

Q: Fact 1: Urine is the liquid waste product of the body that is excreted by the urinary system. Fact 2: Along with water, minerals are lost in the urine. Given the two facts above, what is excreted through the urinary system? | OPTIONS:
- glucose
- matter
- liquid
- CO 2
- sodium
- potash
- sugar
- water
A: water

Q: Fact 1: Coral reefs provide food and shelter to many ocean organisms. Fact 2: Coral reefs are nurseries of the ocean. Given the two facts above, what provides food and shelter to many ocean organisms? | OPTIONS:
- Fast food.
- It helps them survive
- Fish food.
- gastropod shells
- Human organisms.
- important habitats
- sedimentary rocks
- Nurseries of the ocean.
A: Nurseries of the ocean.