A patient is given 200 mg of a drug with the formula: C32H34N6O10. How many mg of the drug is carbon?

Rinse again: If hand washing in a double sink, plug one side and use that basin for rinse water instead of running the tap. Use the dishwasher: Hand-washing dishes takes on average 20 gallons; water-efficient dishwashers use 4.5 gallons or less. Make sure the dishwasher is full and save even more.

Turn off the water if you shave or brush your teeth in the shower to save time. Think of baths as an occasional treat and stick to showers. The average bath uses 35 to 50 gallons of water, whereas a 10-minute shower with a low-flow showerhead only uses 25 gallons.

Install a drip or soak system. ...

Use mulch to prevent water loss through evaporation and to prevent soil erosion. ...

Plant native plants for your area. ...

Plant your garden in watering zones, known as hydrozoning.

Choose a drought resistant lawn, and train it to use less water.