Fact 1: Testosterone stimulates the reproductive organs to develop into male organs. Fact 2: For men, however, the hormone in question is testosterone. Given the two facts above, what stimulates the reproductive organs to develop into male organs?
OPTIONS:
- a hormone
- bioaerosols
- Energy.
- Energy
- Leptospirosis
- a doorbell
- seeds
- Chlorophyll
a hormone

Fact 1: Cartilage is a tough tissue that contains a protein called collagen. Fact 2: Cartilage cells are called chondrocytes in mature cartilage. Given the two facts above, chondrocytes contain which type of protein?
OPTIONS:
- Actin
- Keratin
- white
- allow growth
- Collagen
- ligt
- positive
- Hemoglobin

Answer: Collagen

Question: Fact 1: Specialization occurs when competing species evolve different adaptations. Fact 2: Animals are adapted for conditions where they live. Given the two facts above, specialization occurs when competing species evolve with conditions where they live?
OPTIONS:
- environment
- improve
- a fish
- animals
- they live
- our planet
- alpacas
- heat or cold
Answer: they live

input with options: Fact 1: Absorbing energy causes objects to heat. Fact 2: Latent heat causes an object to change state. Given the two facts above, absorbing energy causes an object to do what?
OPTIONS:
- change size
- staying warm
- Evaporation
- electricity
- warmth
- change color
- change country
- change state
output: change state

Q: Fact 1: Plucking a string can cause that string to vibrate. Fact 2: How the sounds are made Vibrating strings provide the sound in stringed instruments. Given the two facts above, doing what can cause sound to be made in stringed instruments?

OPTIONS:
- Movement
- wind
- striking
- adding
- playing
- plucking
- electrically
- breaking

A: plucking

Fact 1: When a hemisphere is tilted towards the sun , that hemisphere receives more direct sunlight. Fact 2: During the summer in Britain the sunlight strikes the Northern part of the Earth more directly. Given the two facts above, when is a hemisphere tilted towards the sun?
OPTIONS:
- mild
- Vernal equinox
- autumn
- Spring
- Summer
- positive
- Autumnal Equinox
- Tropical
Summer