Answer:
Volume = 2m³
Explanation:
The pressure of a gas is inversely proportional to its volume when its temperature is constant.
P₁V₁ = P₂V₂
V₂ = (P₁V₁) / P₂
V₂ = (4atm x 0.5m³) / 1atm
V₂ = 2 m³
A and B i think is the answer
Access to Alternative Source of Fuel.
Reduce Surface Toxicity.
Lower Energy Cost.
More Jobs.
Buys More Time.
Requires Huge Amounts of Water.
Possible Water Contamination.
May Trigger Earthquakes.