A person’s bathtub faucet drips 1 drop of water every 2 seconds. They get 4 water bills per year and is charged $3.78 for every 1000 gallons of water used. How much extra will each bill cost if
they don’t fix the leak? Hint: use drop/2 second, $3.78/1000 gal as a conversion factor

Identify and describe the three ways that mutations affect organisms.

Calculate - analysis of compound composed of iron and oxygen yields 174.86 of fe and 75.14g of o. what is the empirical formula for this compound?

Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy