WorksheetsEnvironmental Science Final Exam
Total questions: 19
Worksheet time: 19mins
Which of these are greenhouse gasses? (select all that apply)
Methane
Nitrogen
Carbon Dioxide
Oxygen
Water Vapor
Climate change is ONLY caused by humans
true
false
Which greenhouse gas is MOST responsible for retaining heat?
Carbon Dioxide
Ozone
Water Vapor
Methane
Albedo is a measurement of _______________.
heat
reflectivity
absorption
brightness
stability
If all other atmospheric conditions were kept constant, which type of sky would allow for the coldest low temperature?
clear sky
somewhat cloudy sky
very cloudy sky
night when there was a super moon
We all exhale CO2, but we breath in O2. So where does that carbon atom come from?
It comes in from the air through out skin.
It comes from the water our bodies use.
It also comes from the air
It's from the food we eat that gets metabolized from out bodies.
Which of these actions would reduce the amount of CO2 in the air? (select all that apply)
Reduce the use of fertilizers
Increase the number of humans
Reduce the amount of Carbon emissions from powerplants and factories.
Increase the amount of plants
Reduce beef consumption
In an ideal world, there would be ____________________ CO2 in our atmosphere.
a lot more
absolutely no
a bit less
a bit more
_____________ is the result of not having your nutritional needs met, but still having food.
Hunger
Poverty
Malnourishment
Economic instability
This graph shows
in general, people are eating more.
in general, people are eating less.
in general, people are healthier.
in general, people have more income.
Which of these can be a cause of a famine? (select all that apply)
over eating
political instability
weather
harvest moon occurring at the wrong time
Which protein source is the most efficient in terms of how much feed is required per pound of meat?
bread
cow
pig
fish
chicken
Which of these diseases is caused by malnutrition, not starvation?
Kwashiorkor
Marasmus
both are caused by malnutrition not hunger
both are only caused by hunger
Why do we use antibiotics in farm animals?
To help them grow faster
To help them taste better
To prevent them from getting viral infections
To prevent them from getting bacterial infections
Which layer of soil is responsible for most of the crops we grow?
A horizon
B horizon
O horizon
E horizon
What is responsible for depositing most of the silt in the soil in the Midwest?
farmers who transported silt
glaciers from the last ice age
prehistoric volcanic eruptions
persistent flooding
Which of these crops increased 300% and is now being used as a fuel source for cars?
coarse grains
soybeans
maize/corn
oil palm fruit
Which of these is NOT a contributing factor to world hunger?
famines
political instability
genetically modified organisms
money
One of the main problems with the Flint water crisis was the amount of lead in the water. How much lead is considered a safe amount of lead in water?
10 PPB
5 PPB
100 PPB
There is no safe amount of lead.
