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Environmental Science

Explore questions in the Environmental Science category that you can ask Spark.E!

In what climate zone is it warm all year?
High pressure would have this type of weather.
High pressure rotates in this direction.
Which climate zone is found in the middle latitudes?
You fly with left drift in the northern hemisphere. How does the surface pressure change then?
The speed of the geostrophic wind is directly proportional to the _____.
What is the expected direction and speed of the wind blowing at a height of 2,000 ft above the London Heathrow Airport when the surface wind of 190° / 20 kt has been reported?
Name three forms of energy we should use instead of fossil fuels that can increase sustainability.
As a country transitions from a poor, developing country to a more affluent, developed country its health risks for disease change. Which of the following best represents the change in risk factors from the developing to the developed country?a• The initial challenges are obesity and poor sanitation, which change to high blood pressure and poor nutritionb• The initial challenges are poor sanitation and sedentary lifestyles, which change to poor indoor air quality and obesity.c• The initial challenges are sedentary lifestyles and poor nutrition, which change to high blood pressure and poor urban air quality.d• The initial challenges are malnutrition and poor sanitation, which change to high blood pressure and obesity.e• The initial challenges are malnutrition and availability of tobacco, which change to poor nutrition and poor sanitation.
Use Table 17-1. If there were 15,000 child deaths in a low-income country in a particular month, what is the best estimate of the number of those deaths that are attributable to any form of malnutrition?
studies conducted by scientists to assess the risk of chemicals include1) dose response studies2) chronic studies3) retrospective studies4) 1,2,3
Use Figure 17-4. The threshold of the hypothetical chemical is approximatelya. 1 hypothetical unitb. 3 hypothetical unitsc. 5.5 hypothetical unitsd. 8 hypothetical unitse. 10 hypothetical units
The nuclear accident at Chernobyl in 1986 has provided scientists with data on the effects of radiation on humans. This study of radiation sickness and thyroid cancers would be best classified as a/n what kind of study?
In an estuary a zooplankton consumes a phytoplankton with a small globule of PCBs attached to it. A fish consumes the zooplankton as well as many other zooplankton. A larger fish consumes the small fish and then a gull consumes the larger fish. The increased concentration of the chemical at the top of the food chain is an example of what process?
A study was conducted on a new herbicide and the ED50 for mice was determined to be 40 mg/kg. What would be the concentration deemed "safe for humans" by the EPA?
Use Figure 17-4. The LD50 of the hypothetical chemical is approximatelya. 3 hypothetical unitsb. 4.5 hypothetical unitsc. 5.5 hypothetical unitsd. 7 hypothetical unitse. 10 hypothetical units
Chronic diseases that are made more deadly by poverty include which diseases?1) diarrheal diseases2) ebola3) pneumonia4)1,2,3
The US legislation that imposes a tax on targeted industrial facilities and then utilizes those funds to cleanup selected abandoned hazardous waste sites is what?
According to the EPA, about 40 million U.S. tons of hazardous waste is produced each year. If individual household waste makes up 1.6 million tons of this waste, what percent of the total hazardous amount produced is household waste?
An economic benefit of non-toxic fly ash production at a waste incinerator is that the ash maya. be used in the production of cement blocks and cement flooring.b. be treated with a weak acid.c. require special toxic handling.d. be added to a landfill.e. be used in the production of plastic.

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