WorksheetsReview for Env Sci CA 4 Week 6 Exam - Waste Treatments
Total questions: 16
Worksheet time: 7mins
What is the biggest weather-related killer in the U.S.?
tornadoes
flash floods
ice caps melting
How can drinking water be negatively impacted by a flood?
It can be contaminated with trash, sewage, dead animals, and other toxic chemicals the flood picks up.
It can fill up and have a full aquifer for many years to come, providing plenty of drinking water.
It could cause us to ingest seaweed, which is toxic to human body systems.
What are the two main causes for the Soloman Islands' ocean to rise over 15 cm (and some parts to become sunken) in 20 years?
palm & dialyt trees
cyclones & typhoons
trade winds & climate change
We know what is happening to the Solomon Islands isn't a part of a natural cycle, but a distinct shift in the baseline sea level.
One piece of evidence showing the islands have historically been above ground are the ancient trees found to be at least _____ years old?
50
100
250
City of El Paso officials “intentionally” failed to take proper action to fix "_________________” from
a Clint landfill that repeatedly resulted in flooding- causing severe damages to area homes, properties
and even the deaths of cattle - a judge ruled in a decade’s-long civil lawsuit case?
runoff toxic waste
fertilized water
radioactive waste
A study of landfills' impact on those living near them in South Africa found that the closer people lived to the landfill, the greater their rates of __________?
bipolar type II, GAD, & antisocial personality disorder
asthma, diabetes, & tuberculosis
creatinine deficiency & chron's disease
Is the gas coming from landfills purely methane?
yes, burning the gas from landfills is a very efficient way of obtaining a natural gas resource
no, it's about 50% methane; the other half is dioxides, halogens, bromine, furans and hundreds of other contaminants
It is estimated that by 2050, there will be
__________ than fish in the ocean by biomass.
more plastic
more organic matter
more algae
What fraction of the food produced on earth is never eaten?
1/12th
1/8th
1/3rd
Trash incineration produces about as much carbon dioxide as natural gas and has mechanisms to trap toxic flue gas and ash before they reach the environment. However, incineration costs nearly ________ that of landfill disposal?
half
double
quadruple
Leachate is a liquid waste formed at the bottom of landfills. It is a problem because it may contain chemicals from:
spaghetti, egg shells, feminine hygiene products, rice, and medicines
banana peels, apple cores, pineapple points, and coffee grounds
paints, pesticides, cleansers, cans, batteries, and appliances
Nitrates or nitrites in drinking water can cause infants under 6 months to ____________?
become seriously ill and die
have an upset stomach
experience anemia and headaches
Fat poured down the drain mixes with calcium in the sewers- forming huge, hard clumps. These are called:
fatfinds
fatbergs
fattowels
Harmful things to put down the drain or toilet include:
rice, pasta, eggshells, milk, flout, coffee grounds, oil, medicine, hair, stickers, condoms, cigarette butts, feminine hygiene products
water, personal business, toilet paper, feces, urine, organic matter, e.coli
What are some steps of wastewater treatment conducted by the fred hervey wastewater treatment plant that are not done by the average treatment plant?
leachate collection system, ground water monitoring, gas monitoring, methane collection system, clay and plastic liners
screen bar, settling tank, clarifier, chlorine, aeration basins for aerobic digestion, and a sand filter
equalization storage, PACT filtration semi-permeable membrane & denitrifying bacteria, Lime to raise pH, kill viruses, etc, Ozone & Granulated activated carbon filters & secondary clarification
Ozone, UV light, and chlorine are all methods of:
disinfection
waterlogging
graphite
