What is True or False Multiple Choice 100

What is… True or False Multiple Choice 100 100 200 200 300 300 400 400 500 500 600 600 700 700

1. 100 • What is the definition of algal bloom?

1. 100 answer • Over production of algae due to nutrient overload

1. 200 • What is recharge?

1. 200 answers • The addition of water to rivers or to aquifers by natural infiltration, that tends to raise the water table

1. 300 • What is the definition of restoration?

1. 300 answer • The process of bringing back to existence, or reestablishing, the original condition of a degraded environment

1. 400 • What is a buffer?

1. 400 answer • Vegetative area next to a lake, river, stream, or other natural watercourse, left in place to reduce erosion

1. 500 • What is an ecosystem?

1. 500 answer • Ecological community together with its environment, functioning as a unit

1. 600 • What is impervious?

1. 600 answer • Incapable of being penetrated

1. 700 • What is percolation?

1. 700 answer • The process of filtering or trickling through a porous substance.

2. 100 • The hydrologic cycle is the study of earth’s water including water’s properties, circulation, principles, and distribution

2. 100 answer • false

2. 200 • Hydrology is the circulation of water from the sea, through the atmosphere, to the land, and then back to the sea by overland subterranean routes, or directly by into the atmosphere by evaporation and transpiration

2. 200 answer • false

2. 300 • A vernal pool is a temporary freshwater ponds that exists in the spring

2. 300 answer • true

2. 400 • Runoff is an overflow of sediment in a river

2. 400 answer • false

2. 500 • Recharge is the taking away of water to rivers to aquifers by natural filtration, tends to lower the water level

2. 500 answer • false

2. 600 • Ph is the measure of relative acidity of a solution

2. 600 answer • true

2. 700 • Estuaries are regions between rivers and ocean waters where tidal action and river flow create mixing of fresh and salt water. May include bays, mouths of rivers, salt marshes, and lagoons.

2. 700 answer • true

3. 100 • Biochemical oxygen demand is also known as a) BOD b) BHOD c) BCOXD

3. 100 answer • A

3. 200 • DO stands for… a) demand of oxygen b) dissolved oxygen c) diamond oxygen

3. 200 answer • b

3. 300 • Surface water is? a) reduced concentration of air b) water on or above the surface c) temporary freshwater pond

3. 300 answer • b

3. 400 • What is the secondary drinking water standard? a) enforceable standard b) standard c) non enforceable standard

3. 400 answer • c

3. 500 • Sediment is? a) liquid material b) deposited by water c) settles at top of liquid

3. 500 answer • b

3. 600 • Hydric soils are characterized by what? a) showing and effects of the presence of water b) water left behing c) tracks left behind

3. 600 answer • a

3. 700 • Influent is water that flows into? a) reservoir b) ocean c) stream

3. 700 answer • a