A is the correct answer!
- water can moderate temperature v. well that's why it's used as a cooling agent
- water expands upon freezing (that's why ice floats on water!)
Answer:varied in size
Explanation:Galaxies vary in appearance. Galaxies differ greatly in size. Some contain as few as a hundred million stars, but the biggest have more than a trillion stars. Galaxies also vary in shape.
The only answer that could be considered an advantage is C. Increasing the amount of crops harvested.
Hes trying to infer the density of oak trees (:
A higher temperature gradient causes faster heat transfer, and thus faster convection currents. If the core were cooler, the temperature gradient would be lower, so the convection currents would likely slow down.
