Fact 1: When an animal moves , chemical energy is converted to mechanical energy. Fact 2: Cows are social animals. Given the two facts above, what converts chemical energy to mechanical energy when it moves?

OPTIONS:
- Birds
- bears
- cows
- Whales
- toads
- hawks
- cars
- fish

Answer: cows

Problem: OPTIONS:
- bacteria
- other moles
- Annelids
- pie
- insects
- gophers
- fur and fat
- animals
Q: Fact 1: Annelids are worms such as the familiar earthworm. Fact 2: Moles eat earthworms. Given the two facts above, what is most likely to be eaten by a mole?
Answer: Annelids

Problem:OPTIONS:
- hydrate their cells
- exercise
- By coral exoskeletons
- planting trees
- trimming trees
- planting grass
- buying flowers
- support

Fact 1: Planting trees has a positive impact on an ecosystem. Fact 2: An ecosystem includes the organisms and their habitat. Given the two facts above, doing what has a positive impact on organisms and their habitat?
****
A: planting trees

Fact 1: Acactus stem is used for storing water. Fact 2: When the rain stops the cactus is fat because the cactus roots drink the water. Given the two facts above, when the rain stops the stem used for storing water is fat because the what drink the water?
OPTIONS:
- animals
- liquid
- lipids
- skin
- fatty
- fibrous
- leaves
- roots
roots

Fact 1: Harming an animal species has a negative impact on the population size of that species. Fact 2: Pollution is usually harmful to one or more species of animal or plant. Given the two facts above, what is usually harmful to the population size of a species?
OPTIONS:
- Pollution
- reproduction
- viruses
- disease
- habitat
- ecosystems
- influenza
- deforestation

Answer: Pollution

input with options: Fact 1: All life relies on a relatively narrow range of pH, or acidity. Fact 2: Acids and bases are a part of everyday life. Given the two facts above, what substances are relied on for life?
OPTIONS:
- magma
- plants
- poison
- food
- oxygen
- fat
- bases
- battery acid
output:
bases