Soil resources, Water Resources, Waste Management

How many different oceans are on the earth’s surface?

How many percent cover of earth’s surface is covered with water?

Of the total supply, how much amount of water that is available for human consumption and agriculture?

• 97%

• about 2/3

• about 3%

• less than 1%

When do we say that the water is already a part of the groundwater?

• when it reaches the water table

• when it reaches the saturated zone beneath

• when it is a part of the artesian aquifer

• as long as it soaks to the ground

Which of the following factors will not decrease the salinity of water?

• heavy precipitation  

• evaporation

• melting of ice

• addition of freshwater by a large river

Alyssa lives at Boracay City. In their barangay, water is a scarcity since most of their area are dry. Which of the following ways Alyssa must avoid to conserve water?

• Fix leaks and drips in their pipes.  

• Plant plants that are drought tolerant. 

• Use a lot water in taking a bath since it is hot.

• Use the water to wash the laundry in watering for the CR.

If water vapor leaves salt behind during evaporation, the precipitation that will be formed is what kind of water?

• freshwater 

• groundwater

• sea water 

• water table

What is associated as the living skin of the earth?

• lithosphere

• biosphere

• atmosphere

• pedosphere

What soil is the best type to grow our crops and plants?

• humus

• sandy

• loam

• silt

All are services offered by the soil except for one, which one is not?

• Regulating water cycle

• Mineral deposits

• Nutrient cycling

• Foundation and support