> Biofuels is a sustainable alternative to fossil fuels?

Biofuels is a sustainable alternative to fossil fuels?

Posted at: 2015-05-24 
Fossil fuels cause AIR POLLUTION when they burn, while biofuels don't. The answer is A.

E is looking close but is wrong, because both fossil and biofuel have nothing to do with water pollution.

Technically, fossil fuels are biofuels, just from biomass millions of years old. The problem is that they are hydrocarbons that had been sequestered from our environment for millions of years and we are burning them faster than nature creates them.

Technically, fossil fuels are biofuels, just from biomass millions of years old. The problem is that they are hydrocarbons that had been sequestered from our environment for millions of years and we are burning them faster than nature creates them.

E. Because they don't contribute to pollution

it drives the price of fuel and food up, not to mention emptying the aquafer underground making for a lack of food

Biofuels is a sustainable alternative to fossil fuels

A) because no greenhouse gasses are released during burning.

B) only when land and resource use is taken into account.

C) because it does not compete with food production.

D) when the prize of corn is low.

E) because they do not contribute to water pollution.

Not really sure about this one, any help?