Stuff Flashcards
1
Q
What is a carbon sink
A
What stores and absorbs carbon dioxide
2
Q
How would you calculate energy efficiency
A
Useful energy ÷ total amount = efficiency
X 100 = %
3
Q
Advantage for using nuclear energy
A
Large amounts of energy produced
Doesn’t let out large amounts of CO2
4
Q
Disadvantages of using nuclear energy
A
Expensive to build
Non renewable
Dangerous
5
Q
How do you calculate a gradient on a graph
A
Difference between y axis ÷ difference between x axis
6
Q
What are the benefits of using non renewable energy over renewable energy
A
Non renewable resources are easier to access and can be more reliable
7
Q
What does energy efficiency mean
A
The amount of energy we are wasting or not wasting
8
Q
Why is it essential to have control variables
A
To make the data comparable
