Fact 1: Aplant requires photosynthesis to grow. Fact 2: Leaves are the main sites of photosynthesis. Given the two facts above, answer the question "What does a plant need to grow?" with the following options: - Glucose - Echinoids - Energy. - leaves - seeds - nutrients - energy - sunlight
leaves

Fact 1: Bacteria in soil convert atmospheric nitrogen into a form usable by plants. Fact 2: Spores are a dormant form of bacteria. Given the two facts above, answer the question "What can change atmospheric nitrogen into a form used by plants?" with the following options: - Conifers - mutations - Collagen - earthworm - sugar - Enzymes - spores - wind
spores

Q: Fact 1: Gases released during the use of fossil fuels causes global warming. Fact 2: Global warming is linked to the combustion of oil, gas and coal. Given the two facts above, answer the question "The use of oil, gas and coal contributes to what?" with the following options: - heat is produced - animal extinction - heat production - radiation - Global climate change - Quality of life - rain - electricity
A: Global climate change

Question: Fact 1: Burning fossil fuels increases the carbon in the atmosphere. Fact 2: Oil is one type of fossil fuel. Given the two facts above, answer the question "Burning what substances increases carbon in the atmosphere?" with the following options: - CO2 - oil - tar - gas - CFCs - Cars - coal - peat
Answer: oil

*Question*
Fact 1: Ethanol is produced by alcoholic fermentation of the glucose in corn or other plants. Fact 2: Ethanol qualifies as an alternative fuel. Given the two facts above, answer the question "What can be used as an alternative fuel?" with the following options: - Toyota - Energy - corn - soap - space - CO 2 - stone - Trees
**Answer**
corn

(Question)
Fact 1: Amphibians have a relatively complex circulatory system with a three-chambered heart. Fact 2: All frogs are amphibians. Given the two facts above, answer the question "What has a relatively complex circulatory system with a three-chambered heart?" with the following options: - sharks - pan - frogs - Man - Birds - alpacas - salmon - a fish
(Answer)
frogs