1200 secs is Amy's averages speed for the entire trip. 60 times 10=600 next you times 600 times 2 because 10 times 2 =20, which is 1200
Different kinds of fossil fuels — coals, oils, and natural gases — formed as dead plants and animals decayed. Scientists refer to such remains as “organic matter.” The element carbon is the foundation for organic matter on Earth
A carnivore is something that eat meats.
A benefit of using nuclear energy could be the abundance of uranium in nature. The human risk about mining that is the most important to consider are the health hazards that are associated with uranium mining.