Tragedy of the commons
The concept tragedy of the commons means
self-interest of people results in the destruction of common or shared resource
Scientific Claims must include
testable, verifiable, and falsifiable
Positive loops keeps the cycle going and __________ the process
accelerate
A characteristic of the scientific method is that
Conclusions subject to change
Twenty-five Btu = ___________ joules.
(1 Btu = 1,055 J)
26,375
Fishing all of the fish out of an area.
Tragedy of the commons
Is this an inference or observation? Food A tastes better to mice.
inference
A negative feedback loop occurs when
the system responds to a change by returning it to its original state
What is a null hypothesis?
No relationship or observable results
A dishwasher uses 700 watts each time it is run. The cycle takes one hour. It is run 150 times per year. How much energy does it use in one year, in kilowatts?
a. 105 kW
b. 255,504 kW
c. 105,000 kW
d. 105 million kW
The Theme of the Lorax
Devastating the environment may lead to short-term economic reward, but is not sustainable for humans or any other life in the long term
Which of the following is not testable?
Eating Carbs will make you gain weight.
Cancer is caused by eating too many vegetables
As Earth warms, upper layers of permafrost melt, producing waterlogged soil above frozen ground (initial action) methane gas is released in anoxic environment greenhouse effect is enhanced and Earth warms, melting permafrost.
positive feedback loop
sustainability
meets the needs of the present without compromising the ability of future
If land is cleared at a rate of 456 ha (hectares) per week, approximately how many acres per year are being cleared? (2.5 acres = 1 ha)
28,125
Which of these environmental issues is not an example of the tragedy of commons?
invasive specie
Which is not part of a scientific investigation
Suppose you wanted to smell bad and shorten your life by smoking 1.5 packs of cigarettes a week. Assuming the average cost is 117.63 Baht a pack how much money would you spend on cigarettes in 13 years.
119278.38
all the conditions surrounding us that influence life
The environment
Three km is equal to ____ meters
3,000
how many weeks in a year
52
If the results of your experiment do not support your hypothesis you should...
Report it anyway
A hypothesis is different from a belief because it is
it sounds scientific
The study of environmental science differs from study of other natural sciences because it
also includes politics, law, and economics
In Europe gasoline is sold by the liter. Assume that it takes 14 gallons of gasoline to fill the tank of a compact car. How many liters of gasoline will it take? (1 gal = 3.7854 L)
53