I’m pretty sure it’s called an EKG, or something close to that.
Answer:
B. Is what the scientists manipulate in the experiment.
Explanation:
The Independent variable is not dependent, or doesn't rely, on another variable in the experiment. So, it would make the most sense that they would manipulate the Independent so that they can watch and see how the dependent variable reacts to the manipulation, or the change, in the independent variable.
Answer:
B, food production
Explanation:
The plant is producing food for itself
Answer:
Changes in land use through time with extrapolations
Explanation:
Population data and projections are from UNDP
A unicellular or single celled organism is the term for organisms composed of only one cell.
I hope this helped!
