If 4 grams of the P&G Purifier are used to treat 10 liters of water, then how much purifier is needed to treat 500 mL of water.

How have the greenhouse gasses increased from the year 2000 to 2018

Scientists often have to deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each number in an alternate form.

At the current rate, a graph of carbon dioxide produced by fossil fuels over time would slope upward slope downward be horizontal be vertical