Answer:planting more trees
Explanation:
Trees go through photosynthesis and uses carbon dioxide (CO2) and changes it to oxygen
To find the actual volume you need to subtract 68.2 and 56.3 which would be 11.9 ml. density is mass divided by volume so 31.18 g/11.9 is equal to 2.62 g
Resources are categorized as renewable or non-renewable. A renewable resource may replenish at the rate it is being used, while a non-renewable resource has a limited supply.
<u>Explanation:</u>
<u>Renewable Energy:</u>
- It is the energy that is obtained from natural resources like sun, wind, etc..
- It is the cleanest form of energy.
- 15% of the world's total energy depends upon renewable energy.
<u>Advantages of renewable energy:</u>
- Renewable energy is free to use and it is available in the abundant quantity.
- They produce low carbon emissions and it does not affect the environment.
<u>Dis-Advantages of renewable energy:</u>
- The initial step cost much like setting up the windmill and solar panels to obtain energy.
- Solar energy needs backup during the winter season.
<u>Non-Renewable Energy</u>
- A natural resource or source of energy existing finite quantity and not capable of being replenished.
- They are not environmentally friendly and it leads to environmental issues.
<u>Advantages of Non-Renewable Sources:</u>
- The Non-Renewable Sources is considered as cheap to use.
- They produce a tremendous amount of energy
<u>Disadvantages of Non-Renewable Sources:</u>
- Non-renewable sources release toxic gases in the air when burnt which are the major cause of global warming.
