The amount of water in Lake Chad is ______。

When water freezes, it becomes larger instead of (small) ______ in amount of space.

A．an equal amount of gold

B．the water that leave the jar

C．all the water in the jar

D．an equal amount of wood

The best way to mix gypsum products is to()

A．eyeballthe amount ofpowder added to water

B．add water to the powder

C．add powder to the water

D．add powder and water to the bowl simultaneously

In the U.S., the amount of indoor water use surpasses the amount of outdoor water use.

A．Y

B．N

C．NG

The oxidation of the decayed dead algal bodies can't ______ .

A．lower the amount of oxygen in the fiver water

B．make the water taste badly

C．make the water unsuitable for human consumption

D．make the bacteria dead

A．stream flow will appear

B．the surplus of water will run off

C．flood will be generated

D．the plant has to transpire the surplus

According to the experts, the amount of water storage is far from sufficient.

A．Y

B．N

C．NG

A．the greatest

B．more greater

C．greatest

D．even greater

A. an equal amount of silver

B. an equal amount of gold

C. all the water in the jar now

D. the water that leaves the jar

Every year the continents get back ______.

A．the same amount of water as is lost to evaporation

B．less water than that which is lost to evaporation

C．more water than that which is lost to evaporation

D．different amounts of water based on weather conditions