"One Day's Domestic Water" Environment and Us PPT Courseware 2

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"One Day's Domestic Water" Environment and Us PPT Courseware 2

Fresh water is necessary for the survival of us humans and other creatures.

However, the fresh water resources on the earth are very limited, and most areas on the earth are short of water.

How much water do we use in a day?

What methods do we use to save water?

Check the water meter at home. How much water does our family use in a day?

Divide the daily water consumption by the number of people in the household to get the average water consumption per person per day.

Due to rapid population growth, environmental pollution and global warming, the world's per capita water supply has begun to decrease since 1970 and continues to decline. At present, 60% of the continent faces insufficient fresh water resources, and more than 100 countries are seriously short of water, including more than 40 countries with the most serious problems. It is expected that the global per capita water supply will decrease by 1/3 in the next 20 years.

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For more information about the PPT courseware "Environment and Our Daily Use of Water for Living", please click the "Environment and Our Daily Use of Water for Living" ppt tag.

"One Day's Domestic Water" environment and our PPT teaching courseware:

"One Day's Domestic Water" Environment and Our PPT Teaching Courseware Part One: Review of the previous section 1. What kind of garbage do used toilet paper, waste lamp tubes, express packaging boxes, and banana peels belong to? 2. What three substances are contained in batteries that pose a great threat to the natural environment? ..

"One Day's Domestic Water" Environment and Us PPT download:

"A Day's Living Water" Environment and Us PPT Download Part One: Exploring New Knowledge How much water do I use in a day Fresh water is a necessity for the survival of us humans and other creatures. However, the fresh water resources on the earth are very limited, and most areas on the earth are short of water. screw..

"One Day's Domestic Water" Environment and Us PPT:

"A Day's Living Water" Environment and Us PPT Part One Content: How much water do I use in a day? Turn on the faucet and water flows out. We use water every day. Estimate how much water I use in a day? Check the water meter at home. Our family needs...

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Update Time: 2024-11-23

This template belongs to science courseware Science Edition for Sixth Grade Science Volume 2 industry PPT template

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