You are presented with the quiz "Biofuel is used to produce what when it is burned?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "biofuel is used to produce electricity by burning" and "power source is electric". So, what's the best answer to the question?
OPTIONS:
- water
- energy
- glucose
- oil
- gasoline
- power
- heat
- Light
power
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You are presented with the quiz "What can cause erosion and landslides?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "heavy rains cause flooding" and "with the rain comes floods, and with the floods come erosion and landslides". So, what's the best answer to the question?
OPTIONS:
- condensation
- mines
- mouth of rivers
- heavy rain
- chemical reaction
- vehicles
- electricity
- deforestation
heavy rain
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You are presented with the quiz "a what can have a negative impact on ecosystem" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "cutting down trees has a negative impact on an ecosystem" and "trees are cut down in the forest and are then sent to a paper mill". So, what's the best answer to the question?
OPTIONS:
- paper mill
- A virus
- deforestation
- storm
- disease
- rainfall
- tree
- Pollution
paper mill
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You are presented with the quiz "what gets changed into natural gas due to heat and pressure?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "heat and pressure change the remains of prehistoric living things into natural gas" and "evidence of prehistoric life includes many dinosaur footprints found in coal mines". So, what's the best answer to the question?
OPTIONS:
- mussels
- oxygen
- glass
- clams
- animals
- Most plants
- temperature
- dinosaurs
dinosaurs
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