Put a 2 on the HCl.
2HCl+Ba-->BaCl2+H2
The answer is C. the carbon symbol C with one dot on each
the top, bottom, left, and right sides
Solar energy will not run out (unless the sun burns out), but the supply of fossil fuels we use is slowly depleting. Burning fossil fuel also releases greenhouse gas into the air, which is bad for the atmosphere.
C. Accelerating should be the correct onw
