input with options: Fact 1: Secondary growth forms secondary vascular tissues and bark. Fact 2: Some, such as bamboo and palm trees, have secondary growth. Given the two facts above, what forms secondary vascular tissues and bark?
OPTIONS:
- palm trees
- tulips
- In their leaves
- ferns
- shrub beds
- peonies
- rhubarb
- Most plants
output: palm trees

Q: Fact 1: The mass of an object causes the gravitational force exerted by that object. Fact 2: Gravity accelerates mass. Given the two facts above, what accelerates an object?

OPTIONS:
- transportation technology
- chemical messengers
- kinetic energy
- electromagnetic energy
- gravitational force
- flow of electrons
- a hydraulic system
- heat energy

A: gravitational force

input: OPTIONS:
- light waves
- sound waves
- guitar
- friction
- chemical changes
- kinetic energy
- mechanical
- violinist Now, answer this question: Fact 1: Plucking a string can cause that string to vibrate. Fact 2: For example, sound is a wave of vibrating air. Given the two facts above, what results from plucking a string?
A:
output: sound waves

Fact 1: Chemical bonds form when substances react with one another. Fact 2: Solvents are substances, usually liquid, that dissolve other substances. Given the two facts above, what is it called when one solvent combines with another, what forms?

OPTIONS:
- chemical pair
- permineralization
- chemical bonds
- a solute
- chemical duo
- substance bonds
- Condensation
- kinetic energy

Answer: chemical bonds

Problem: OPTIONS:
- heat energy
- nutrients
- disease
- heat
- hair
- moisture
- evaporation
- health
Q: Fact 1: When the body is hot , sweat is produced to cool the body. Fact 2: Sweats Sweats are products that cause moisture accumulation on the skin. Given the two facts above, when the body is hot, the skin accumulates what?
Answer: moisture

Fact 1: Plant reproduction often requires pollen. Fact 2: Pollens originate from plants. Given the two facts above, what is required for reproduction?

OPTIONS:
- roots
- courtship
- pollen
- DNA
- leaves
- flowers
- hormones
- seeds

Answer:
pollen