Unit 6 Test Review Flashcards
1
Q
rate of change formula
A
end variable-starting variable / end year-start year
2
Q
what is the difference between renewable and nonrenewable resources
A
Renewable energy sources can be replaced naturally at current consumption rates, whereas nonrenewable energy sources cannot be replaced easily
3
Q
why have fossil fuels stayed popular?
A
They are consistent and dependable sources of energy, and we already have systems in place to transport and use fossil fuels
4
Q
why is natural gas seen as an alternative fuel?
A
it burns cleaner and more efficiently
