Q: Fact 1: Many corals secrete an exoskeleton that builds up to become a coral reef. Fact 2: Corals, and invertebrates in general, are delicate creatures. Given the two facts above, what can secrete an exoskeleton that builds up to become a reef?

OPTIONS:
- graptolites
- some invertebrates
- remains of prehistoric life
- humans
- insects
- gastropod shells
- barnacles
- all invertebrates

A: some invertebrates

input: OPTIONS:
- stems
- roots
- buds
- fungus
- cacti
- flowers
- fens
- salmon Now, answer this question: Fact 1: Plants exhibit phototropism, or growing toward a light source. Fact 2: Roots are negatively phototropic. Given the two facts above, what grow away from a light source?
A:
output: roots

Fact 1: Fertilization occurs when sperm swim to an egg inside an archegonium. Fact 2: If the egg is fertilized, the complex process of reproduction continues. Given the two facts above, what continues when sperm swim to an egg inside an archegonium?

OPTIONS:
- rapid expansion
- permineralization
- hemoglobin
- cell wall
- Plant reproduction
- reproduction
- flow of electrons
- miasma

Answer: reproduction

Problem: OPTIONS:
- dehydration
- hydration
- bacteria
- sodium
- food
- yogurt
- Chlorophyll
- oxygen
Q: Fact 1: Most people can survive only a few days without water. Fact 2: Water is the best fluid for hydration. Given the two facts above, what can people only survive a few days without?
Answer: hydration

Problem:OPTIONS:
- a positive
- a hurtful
- an increased
- the skin
- support
- a negative
- protect them
- heat energy

Fact 1: Zinc has a positive impact on the healing of wounds. Fact 2: And of particular importance to wound healing is the mineral zinc . Given the two facts above, a healing mineral has what impact on wounds?
****
A: a positive

Problem:OPTIONS:
- trees
- rivers
- animals
- iron
- wind
- sand
- sodium
- moss

Fact 1: Moss causes chemical weathering. Fact 2: Chemical weathering is the chemical disintigration of rocks. Given the two facts above, what causes the chemical disintigration of rocks.?
****
A:
moss