Unit 8 APES

A process in which mixed garbage is burned at very high temperatures is:

• recovery

• incineration

• leachate

• source reduction 

Why are non-biodegradable plastics a problem in the environment?

• They do not decompose or break down naturally

• They leak toxic chemicals

• They are filling up lakes and ponds

• They contain poisons for wildlife

Tags

NGSS.MS-ESS3-3

NGSS.MS-PS1-3

What is the collection of materials that can be broken down and reprocessed to make new items?

• composting

• incineration

• leachate

• recycling 

The goal of the secondary stage of a septic treatment plant is to

• remove the large solid material

• make muddy water clear

• remove chemicals such as DDT, PCBs, N2, and phosphates

• lower the amount of organic material in the water

How do many homes in rural areas treat wastewater?

• with an artesian well

• with a septic tank

• through coagulation

• through filtration

Atrazine and DDT are examples of

• neurotoxins

• endocrine disruptors

• carcinogens

• teratogens

What is biomagnification?

• Only in animals found in oceans

• Cells storing nutrients and essential minerals.

• Lower level of harmful chemicals in the cells of organisms.

• Higher concentration of harmful chemicals in cells of organisms.

What is the threshold dose of Toxin B?

• 13 mg

• 50 mg

• 25 mg

• 35 mg

Tags

NGSS.HS-PS1-5

Which pathogen needs a host cell to reproduce?

• virus

• bacteria

• fungus

• parasite

The goal of the tertiary stage of a septic treatment plant is to

• remove the large solid material

• make muddy water clear

• remove chemicals such as DDT, PCBs, N2, and phosphates

• lower the amount of organic material in the water

Tags

NGSS.MS-ESS3-3