Fact 1: Force causes the speed of an object to increase. Fact 2: Pulling and pushing is forceful motion. Given the two facts above, pushing and pulling an object will increase its what?

OPTIONS:
- Lift
- kinetic
- weight
- motion
- speed
- direction
- color
- muscles

Answer: speed

Problem: OPTIONS:
- time
- vacuum
- widen
- cracks
- clocks
- years
- Bend
- instant
Q: Fact 1: Contact between rocks over long periods of time causes rocks to smooth. Fact 2: Rocks are actually solid mineral deposits. Given the two facts above, contact between solid mineral deposits over long periods of what causes them to smooth?
Answer: time

Problem:OPTIONS:
- liquid
- Energy
- complex
- food
- water
- blood
- grass
- oxygen

Fact 1: Mollusks have a circulatory system with one or two hearts that pump blood. Fact 2: Mollusks have a simple heart, which pumps the blood throughout the body. Given the two facts above, what do mollusks hearts circulate through the body?
****
A: blood

Fact 1: Oxygen is just one substance transported by the blood. Fact 2: Hemoglobin transports oxygen in blood. Given the two facts above, what transports oxygen?
OPTIONS:
- Hemoglobin
- hydrocarbons
- orchids
- roots
- alpacas
- burning coal
- lungs
- mammals
Hemoglobin

Fact 1: The color of leaves on deciduous trees usually changes in the autumn season. Fact 2: Peachleaf willow is a deciduous tree. Given the two facts above, what does a peachleaf willow do in the autumn?
OPTIONS:
- staying warm
- It expands
- Die
- Change colors
- Fall over
- Grow new flowers
- flowers
- spread flower seeds

Answer: Change colors

input with options: Fact 1: Plants release oxygen during the day but not during the night. Fact 2: Oxygen from the air is needed by the body in order to live. Given the two facts above, what do plants do during the day but not during the night?
OPTIONS:
- It helps them survive
- Help the body to live
- preventing heat transfer
- by making heat
- Generating heat
- converting electricity to heat
- Release energy
- adding heat
output:
Help the body to live