Which of these is true about the total amount of energy in a closed system? Decreases

Destroyed and created

Increases

Remains the same

Describe at least two advantages and two disadvantages of using hydropower as a source of energy.

Total the mass on the syringe. record it in the correct row of the data table. kg done click and drag weights to change the pressure. click the syringe to zoom in and see the volume. intro

An unsaturated hydrocarbon is a hydrogen-carbon compound with a. a network solid structure b. single bonds c. single bonds in a branched-chain structure d. double or triple bonds