Fact 1: Freshwater biomes have water that contains little or no salt. Fact 2: Salinity is the measure of salts in the water. Given the two facts above, which kind of biomes usually have low salinity?
OPTIONS:
- homogenous
- Loose
- loose soil
- deserts
- jungles
- oceans
- Sediment
- freshwater
freshwater

Fact 1: Urine is the liquid waste product of the body that is excreted by the urinary system. Fact 2: Mammals excrete urea in the watery form of urine . Given the two facts above, what is a waste product of the body that is excreted by the urinary system?
OPTIONS:
- potash
- food
- CO 2
- sugar
- urea
- liquid
- H 2 O
- sulfur

Answer: urea

Question: Fact 1: Some insects can use their antennae to detect sound. Fact 2: Ants and butterflies have antennae. Given the two facts above, what can detect sound?
OPTIONS:
- a fish
- Firecrackers
- A computer
- Electric devices
- butterflies
- electricity
- humans
- insects
Answer: butterflies

input with options: Fact 1: Being exposed to wind can cause erosion of soil. Fact 2: Erosion is the natural wearing away. Given the two facts above, being exposed to wind can cause the natural wearing away of what?
OPTIONS:
- light
- rocks
- wind
- soil
- water
- roots
- cracks
- earth
output: soil

Q: Fact 1: Sound can be used for communication by animals. Fact 2: Goats are four legged animals. Given the two facts above, what can use sound for communication?

OPTIONS:
- squids
- humans
- h2o
- clouds
- goats
- bears
- Bats
- plants

A: goats

Fact 1: Antigens are found on cancer cells and the cells of transplanted organs. Fact 2: ALL proteins are antigens. Given the two facts above, what can be found on cancer cells?
OPTIONS:
- acetic acid
- Allergies
- bacteria
- parasites
- fever
- PDAs
- proteins
- bioaerosols
proteins