Energy & Human Impact
A resource that cannot be replaced within a person's lifetime.
What is a nonrenewable resource?
97% of the water on Earth.
"What is saltwater?"
Water moving across the Earth's surface.
What is a surface current?
The law that states: In undisturbed rock layers, the oldest rock is at the bottom & the youngest is at the top.
What is the law of superposition?
SAME structures with DIFFERENT functions.
What are homologous structures?
A renewable resource that emits greenhouse gasses.
What is biomass?
Where most drinking water is stored.
What is groundwater? OR What is an aquifer?
Causes deep currents.
What is thermohaline circulation? OR What is changes in temp & salinity?
A crack or break in a rock layer
What is a fault?
An ancestor shared between multiple different species.
What is a common ancestor?
Common disadvantages include noise, unpredictability, and harm to birds.
What is wind energy?
A portion of land that drains runoff into a river.
What is a river basin?
Impacts climates in different regions.
What are currents?
The law of cross cutting relationships states:
What is any feature that cuts through another feature must be younger?
Using past & present fossil records to see how organisms have changed.
What is comparative anatomy?
2 of the 3 common greenhouse gasses.
What are CO2, O3, and CH4?
The amount of surface water avaliable on Earth.
What is 1%?
The consistently moving system of deep-ocean circulation driven by changes in temp & salinity.
What is the Global Ocean Conveyor Belt?
Caused Pangea to separate & makes plates move
What is plate tectonics?
A variety of traits available in a population.
What is genetic variation?
The three types of fossil fuels.
What are coal, oil, and natural gas?
The 5 steps of the water treatment process.
What is aeration, coagulation, flocculation, filtration, and disinfection?
Deflection of Earth's wind and water due to Earth's rotation.
The three pieces of evidence that support the existence of Pangea.
What are similar rock layers, similar fossil records, and puzzle pieces?
When organisms with beneficial traits survive & organisms without beneficial traits die off.
What is natural selection?