ES

Physic. Syst. & Envir.Health

100

What type of countries have the highest rate of population Growth?

Poorest (least developed) countries

200

What is the difference between fission and fusion energy? Give examples of each.

Fission - splitting of large molecules (such as uranium). Examples - nuclear power plants, atomic bombs) Fusion - combining of small molecules to larger molecules. Example - the sun and stars

300

What are the formulas for photosynthesis and respiration?

Photosynthesis - The reaction in producers in which energy from the sun causes carbon dioxide to react with water to form sugars and release oxygen. Respiration - The reaction in which energy is released when sugars reacts with oxygen producing carbon dioxide and water.

Atmospheric Science & Global Warming

100

what two US Federal agencies recently published data showing that global temperature have increased steadily for the past 100 years and there has been no recent decrease in this global warming trend

NASA NOAA

200

The atmosphere of the earth contains ___% oxygen, ____% carbon dioxide , ____% nitrogen; and less than 1% other gases

21 % oxygen 0.04% carbon dioxide 78% nitrogen

300

a. The Paris agreement requires highly developed countries (such as the US) to __________ and less developed countries (such as China) to _________

a. reduce carbon dioxide emissions by about 1/4 (over the amount emitted in 2005) by 2030). b. stop increasing carbon dioxide emissions (over the level emitted in 2005) not later than 2030)

Freshwater Systems

100

What kind of treatment is normally given to storm sewer discharges before being discharged to local streams and lakes?

None

200

How many people on earth do not have a safe source of drinking water?

730 million people (about 10% of the global population)

300

After coagulation and sedimentation what 3 treatment steps are given to our drinking water?

Filtration Disinfection (chlorination) Fluoride addition (for cavity prevention)

Marine & Coastal

100

Ocean tides are caused by?

The gravity attractions of the moon and sun

200

With increased efforts and better technology since about 1990 the global fisheries catch has ?

Leveled off (remained essentially constant)

300

The major cause of equatorial currents in the Atlantic and Pacific oceans is _____

The Trade Winds blowing from east to west.

Final Jeopardy

100

How many people will be added to the population of the earth during this class period (1 1/4 hours) ?

(2 1/2 / sec)x(60 sec / minute)x(75 minutes / class) = 11,250

200

Other than primary treatment (removal of incoming suspended and floating materials) and removal of biological solids (sludge), what three steps are used in large municipal sewage treatment systems?

Biological treatment (oxidation of waste) Disinfection (chlorination) Dechlorination