Q.1.
What does it mean to degrade water quality?
Q.2.
Warmer water tends to have
Q.3.
Water with a pH ofis
Q.4.
What can cause water pH to change?
Q.5.
Water pollution includes
Q.6.
Which of the following might count as water pollution?
Q.7.
? is the portion of land drained by a river and its tributaries.
Q.8.
A chemical sprayed to kill insects or bugs.
Q.9.
The wearing away of the earth’s surface by water, wind or ice
Q.10.
The water found in cracks and pores in sand, gravel and rocks below the surface
Q.11.
Pollution that cannot be traced to a single point because comes from many sources
Q.12.
The gradual downward flow of water that soaks into surface
Q.13.
The land that water flows across or under on its way to a stream, river, or lake is called...
Q.14.
Liquids cannot pass through
Q.15.
An underground water supply is...
Q.16.
Pollution traced to a single point
Q.17.
Allowing liquids to pass through, such as water through the ground
Q.18.
The Portion of water that flows across the surface that does not soak into the ground and runs into water bodies
Q.19.
What is algal bloom?
Q.20.
Which of the following water is pH levels is best for Marine Organism?