Approximately how much of Earth's fresh water is trapped in
glacial ice?
O A. 90 percent
O B. 70 percent
O C. 10 percent
O D. 30 percent

O B. 70 percent

Explanation:

Of total freshwater, over 70 percent is locked up in ice and glaciers. Another 30 percent of freshwater is in the ground. Rivers are the source of most of the fresh surface water people use, but they only constitute about 509 mi3 (2,120 km3), about 1/10,000th of one percent of total water.

Note: Percentages may not sum to 100 percent due to rounding.

organ system-an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.

well for one plants are always the producer, so a is the answer. a wolf is more of the consumer(predator) and the deer is the prey so i know those two are out of the question. also mushrooms are fungi/fungus so a is the producer.