Which of the following best explains why humans need constant supplies of fresh water a Humans need a constant supply of water to provide them with essential vitamins?

Which of the following best explains why humans need constant supplies of fresh water a Humans need a constant supply of water to provide them with essential vitamins?

The answer is C. The body needs constant supply of water because the water in the body is continually lost. On the average, our body contains approximately 60% of water and most of the water is inside the cells.

What do humans primarily use fresh water for?

In most regions of the world, over 70 percent of freshwater is used for agriculture. By 2050, feeding a planet of 9 billion people will require an estimated 50 percent increase in agricultural production and a 15 percent increase in water withdrawals.

Which of the following activities depend upon the availability of supplies of fresh water?

Agriculture is critically dependent upon continual supplies of freshwater. Human households also use freshwater daily for cleaning and laundry as well as for transporting sewage to waste treatment plants.

Which of the following best describes the effects of a limited freshwater supply on human populations?

The supply of Earth’s fresh water is fixed and is being depleted at a rapid rate. Which of the following best describes the effects of a limited freshwater supply on human populations? a. b. Disease transmission will decrease as access to water decreases, leading to improved public health.

Which of the following best explains why humans need constant supplies?

Which of the following best explains why humans need constant supplies of fresh water? Constant supplies of freshwater are needed because body water is continually being lost.

Why has groundwater use increased?

Why has groundwater use increased over time? The principal reason for the increase of groundwater use is the increasing population. Urbanization and pollution have both contributed to an increase in the use of groundwater. Polluted rivers, lakes, and springs are no longer viable sources of groundwater.

How does the world’s usage of water differ from the United States usage of fresh water?

Of Earth’s 1.4 billion km3 of water, only 35 million km3 (2.5%) is fresh water. In the United States, freshwater is divided into multiple uses: 41.5% is used for thermoelectric power, 37% for irrigation, 2.6% for aquaculture, 5% for industrial use, 8.5% for domestic use, and 5.4% goes to other publicly supplied users.

Which of the following best describes the effects of water pollution on aquatic ecosystems?

Which of the following best describes the effects of water pollution on aquatic ecosystems? It can cause long-term alterations of aquatic ecosystems.

Which of the following best describes the change in the carrying capacity of the human population?

Which of the following best describes the change in the carrying capacity of the human population if growth is limited by conditions set forth by the Malthusian theory? The carrying capacity will increase, and the human population size will grow exponentially.

Why do humans need a constant supply of water?

Humans need a constant supply of water to maintain proper hygiene. c. Constant supplies of freshwater are needed because body water is continually being lost. d. Constant supplies of freshwater are not actually necessary for survival.

How is the water from the Jesus well used?

Photo left: Clean water from the local Jesus Well is used for drinking, cooking and hand washing, while water from other local wells is used for washing vessels, clothes or bathing. || Photo right: A mother in South Asia carries her son and a pail of fresh, clean drinking water form the local Jesus Well in town. 3,000 Areas in the U.S.

Why do most of North America and Europe have access to potable water?

C The principle reason that most of North America and Europe do not have difficulties with access to potable water is their wealth. Please select the best answer from the choices provided T F T

Where is most of the earth’s water stored?

More than two thirds of Earth’s freshwater is stored in glaciers and icecaps. c. 99% of liquid freshwater on Earth is stored as groundwater. d.