Earth's Water and Human Activity Crossword Puzzle

QUESTIONS LIST:

• argument : a statement or series of statements for or against something.
• conserve : to use or manage (natural resources) wisely; preserve; save.
• technology : science or knowledge put into practical use to solve problems or invent useful tools.
• natural resources : anything not made by man including water, sunlight, trees, minerals, and fossil fuels (oil).
• per capita : by or for each person.
• freshwater : naturally occurring water found in ice caps, rivers, streams, lakes, ponds, and groundwater.
• agriculture : the use of land for farming and raising animals for food-farming.
• saltwater : water found in seas and oceans containing high levels of salt. also known as saline.
• domestic : relating to home or family.
• desalination : a process that removes salt from sea water to produce drinkable water.