wouldn’t the independent variable be just the student who are asked to sign in? Because, isn’t the independent the one that is being changed and the dependent variable is the one responding to the change?
- A dependent variable is the variable that changes as a result of the independent variable manipulation. It's the outcome you're interested in measuring, and it “depends” on your independent variable.
C is the answer you are looking for
Answer:
Option A
Explanation:
The green houses gases concentration increases in the the troposphere layer of the atmosphere due to which the sunrays (IR radiation) reflected back by earth are restricted by the green house gases thereby increasing the temperature of the earth and make the climate warmer.
Hence, option A is correct
Extrinsic motivation is the desire to behave in certain ways to receive external rewards or avoid threatened punishments. Some circumstances that might help you to distinguish this is if you feel overwhelmed about finishing an assignment before its due date or if you are excited for the rewards that come from you doing well.