Answer:
People are trying to lower fossil fuel usage and greenhouse gasses, so using renewable resources. For example, wind and sun. Acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air, so limiting pollution will help acid rain.
Answer:
When is Christmas?
25 Dec?
If it is then MERRY CHRISTMAS!!
Answer:

Explanation:
A fraction is in simplest form when the numerator (top) and denominator (bottom) cannot be any smaller, while still being whole numbers.
To simplify a fraction, divide the numerator and the denominator by the greatest number that will divide both numbers exactly (they must stay whole numbers). To identify the greatest divisor, factorise both numbers.
Since

you can divide the numerator and the denominator by 
