Unit 1
What winds go from the equator to the northern hemisphere?
Trade winds
What is Uniform Dispersion?
Population that is grouped together and in a uniform order.
What are the renewable resources?
Hydro,air, geo, and solar
What is nonpoint source
Individual contributions may be small, but cumulative effects may be significant
Where do you find the oldest rock layer?
At the bottom
In which sphere do fish and marine life live?
hydrosphere
What is a logistical curve shaped as?
An “S” Shape
When cutting down trees what do they call it when they regrow the forest?
Forest Management
What does LD50 mean?
Toxin doses that kill 50% of tested subjects
What percent is left of an original isotope after 4 half-lifes?
6.25%
How many types of tectonic plate boundaries are there?
3
What is the Formula for population double time?
70/growth
What caused the tragedy of the common?
to many mouths to feed
What is toxicity?
The degree to which a toxin is biologically harmful
What percent is left of an original isotope after 8 half-lifes?
0.390625%
Which plate boundaries are most likely to cause a natural disaster?
Convergent
Which is normally larger on a population pyramid, ages 0-4 or 30-34?
0-4
What type of fishing catches fish on the move?
Longlining
What does ppb stand for?
parts per billion
When was the first age of the earth?
4.54 Billion years ago
How many types of air masses are there?
4
If there are 7,024,694 million people in an area and its area is 72,621.81 mi^2, what is its population density? (You can use calculators)
96.73
Is Nuclear energy good or bad?
neither
List the 6 criteria pollutants
carbon monoxide, lead, ground-level ozone, particulate matter, nitrogen dioxide, and sulfur dioxide
How is Radiometric Dating different then Radiocarbon Dating?
Uses different Unstable isotopes