input: OPTIONS:
- loose soil
- important habitats
- autumnal pools
- swamp vegetation
- storing water
- mouth of rivers
- Sediment
- loose dirt Now, answer this question: Fact 1: Some precipitation that falls on land may soak into the ground, becoming groundwater. Fact 2: Autumnal pools fill during the fall with rising groundwater. Given the two facts above, some precipitation that falls on land may fill what?
A:
output: autumnal pools

Fact 1: The gravitational pull of the Moon on Earth 's oceans causes the tides. Fact 2: For example, ocean tides are caused by the sun and moon's gravity pulling on the water. Given the two facts above, what causes tides?

OPTIONS:
- waves
- sunlight
- Mass
- moon
- weight
- force
- wind
- asteroid

Answer: moon

Problem: OPTIONS:
- soils
- rivers
- cellulose
- Collagen
- streams
- soft soil
- flooding
- rain
Q: Fact 1: Asandbar is formed by water moving sediment downstream. Fact 2: Rocks and sediments are pushed along the river. Given the two facts above, what forms sandbars?
Answer: rivers

Problem:OPTIONS:
- oil
- Cars
- coal
- water
- air
- sulfur
- bees
- dust

Fact 1: Air pollution harms the respiratory and circulatory systems. Fact 2: Dust contributes to air pollution. Given the two facts above, what harms the respiratory and circulatory systems?
****
A: dust

Fact 1: Decomposition increases the amount of nutrients in the soil. Fact 2: Most soil organisms are responsible for decomposition and nutrient cycling. Given the two facts above, what living thing increases nutrients in soil?
OPTIONS:
- snail
- fertilizer
- chemicals
- bushes
- mussels
- plants
- organisms
- compost
organisms

Fact 1: Fanning a fire increases the oxygen near the fire. Fact 2: Then nothing was heard but the bellows which fanned the fire of the furnace. Given the two facts above, using a bellows can do what to the oxygen near a fire? ?
OPTIONS:
- increase
- evaporation
- diminish
- absorb
- decrease
- It expands
- electrically
- heat

Answer:
increase