Eating good food gives us more energy.
Natural gas is used for heat and for cooking.
Electricity and coal are two forms of energy.
Renewable energy includes sea currents and solar power.
Geothermal energy is natural heat from the inside of the earth.
You need energy in order to move.
Answer:
The density of the substance is 1.0611 
Explanation:
The density of a substance is a characteristic property that matter, whether solids, liquids or gases, has to be compressed in a given space, that is, it allows us to measure the amount of mass in a certain volume of a substance.
Density is expressed as follows:

In this case:
- density: ?
- mass: 21.1164 grams
- volume: 19.9 cm³
Replacing:

density= 1.0611 
<u><em>The density of the substance is 1.0611 </em></u>
<u><em></em></u>
Answer:
The answer is D. It changes the final products of the reaction. .
Explanation:
- <u>. Catalyst is a substance that increases the rate of a reaction without itself being consumed.</u>