Q: Fact 1: TRH stimulates the pituitary gland to produce thyroid-stimulating hormone, or TSH. Fact 2: Hypothyroidism is associated with an increased TSH level. Given the two facts above, increased TRH stimulation is associated with hypothyroidism? | OPTIONS:
- hypothyroidism
- matter vibrating
- sweating
- Veins and arteries.
- energy usage
- it needs them
- Decibels
- Damaged hearing
A: hypothyroidism

Q: Fact 1: Soil can be depleted of nutrients. Fact 2: Soil or dirt is a very heavy material. Given the two facts above, what can be depleted of nutrients? | OPTIONS:
- bamboo
- moss
- nothing
- sunlight
- fungi
- dirt
- distilled water
- cacti
A: dirt

Q: Fact 1: Earthworms are important deposit feeders that help form and enrich soil. Fact 2: Deposit feeders ingest sediment and extract food particles. Given the two facts above, what do Earthworms do to the soil? | OPTIONS:
- reusing things
- competing for resources
- Ruins the soil
- Enriches the soil
- Damages them
- Converting waste.
- Creates more soil
- Makes the soil mold
A: Enriches the soil

Q: Fact 1: Skin is used for breathing air by frogs. Fact 2: Frogs breathe and absorb water through their skin, which is periodically shed. Given the two facts above, how do frogs absorb oxygen? | OPTIONS:
- They drink water
- flow of electrons
- Jumping really high
- during the day
- By breathing through their nose
- matter vibrating
- Through their skin
- circulatory systems
A: Through their skin