Fact 1: Stalactites are formed by deposition. Fact 2: Inside the caves are some young stalactites and stalagmites in formation. Given the two facts above, what causes formations in caves?

OPTIONS:
- Water expanding
- calcite
- oxygen
- erosion
- nitrogen
- deposition
- less water
- carbon dioxide

Answer: deposition

Fact 1: When an electrical circuit is working properly , electrical current runs through that circuit. Fact 2: Currently computers run on electric circuits and wires. Given the two facts above, computers run when what is working properly?

OPTIONS:
- metal forks
- an engine
- lowered energy cost
- deoxyribonucleic acid
- plastic switches
- objects that have mass
- power ballads
- electrical circuit

Answer: electrical circuit

Fact 1: Waxy leaves are used for storing water by some plants. Fact 2: Kalanchoes are known for their waxy, thick, dark green leaves. Given the two facts above, what uses leaves to store water?

OPTIONS:
- animals
- horses
- heterotrophs
- kalenchoes
- eukyarotes
- camels
- it needs them
- fans

Answer: kalenchoes

Fact 1: Crossing two living things with recessive traits causes their offspring to have that recessive trait. Fact 2: White eye color is a recessive trait. Given the two facts above, the offspring of two living things with white eyes have what color eyes?

OPTIONS:
- white
- tiny
- pigeons
- green
- alleles
- black
- similar
- yellow

Answer:
white