I’m pretty sure it’s D.increases the activation energy for a reaction.
To measure length scientists may use rulers, meter sticks, etc. and to measure mass they may use a balance.
To know the density you also need to know the volume of the rock.
Answer:
Coal
Explanation:
Coal produces more pollution than any other energy source. While coal produces just 44% of U.S. electricity, it accounts for 80% of power plant carbon emissions. Burning coal leads to soot, smog, acid rain, global warming, and carbon emissions.
