Cards in this guide (7)
What portion of the mantle is hot enough to begin melting rocks into magma
Which areas never have periods of time when dry soil is exposed
What percentage of Earth's surface water is ground water
Which of these is a form of moving surface water
When rain water has soaked the ground to the point it can hold no more water the ground is considered to be fully
Which type of wetland has highly acidic water and large quantities of peat and moss
What is it called Water that has low saline content