Question 13 All of the following reduces the replenishment of groundwater resour

Question

Question 13

All of the following reduces the replenishment of groundwater resources and the depletion of existing resources in southern California EXCEPT:

concrete walkways and asphalt roads and parking lots

concrete-lined river channels

natural flood plains and flood channels

over-irrigation

using non-native plants for landscaping

Question 14

Usable phosphate originally comes naturally from

rocks

fossil fuels

atmospheric deposition

aquatic plants

cow manure

Question 15

Farm-raised Atlantic salmon is a cost effective, environmentally friendly solution to world hunger.

True

False

Question 16

Darwin collected much of his data for his theory of natural selection ________.

by studying museum specimens

while studying in medical school

while on holiday in Australia

while hiking across the Santa Ana College campus

during a world voyage where he served as ship's naturalist

Question 17

Other than solar, which of the following alternative energy sources is considered perpetual?

nuclear

wind

natural gas

coal

hydroelectric

Question 18

A keystone species is an organism that outcompetes all other species and dominates a habitat.

True

False

Question 19

Name the primary stakeholder ultimately responsible for the Deepwater Horizon disaster.

Trans-oil

Exxon Mobile

Dow Chemical

Halliburton

British Petroleum

concrete walkways and asphalt roads and parking lots

concrete-lined river channels

natural flood plains and flood channels

over-irrigation

using non-native plants for landscaping

Explanation / Answer

13. All of the following reduces the replenishment of groundwater resources and the depletion of existing resources in southern California EXCEPT- using non-native plants for landscaping.

14.  Usable phosphate originally comes naturally from-rocks. Early sources of phosphate were limited to animal manure, which did not supply any new nutrients, but merely allowed them to be transported from one area to another. The first commercial fertilizer became available when it was discovered that adding acid to animal bones would chemically unlock the phosphate and make it available for plant uptake. Phosphate rock is the raw material now used in commercial fertilizer production. Phosphate rock is extracted from the earth in many countries. Most of the phosphate rock is used for fertilizer production, with smaller amounts going to various industrial uses. Although phosphate rock is a limited natural resource, at current rates of use the world phosphate rock reserves and resources should be adequate for the foreseeable future.

15.  Farm-raised Atlantic salmon is a cost effective, environmentally friendly solution to world hunger.-False., Although the Farm-raised Atlantic salmon is well nourished with omega3, but farmed salmon has been found to contain toxic chemicals methylmercury and dioxins, and farms have been accused of polluting the oceans, fostering disease, and spreading sea lice. Salmon farms have also been criticized for other questionable practices, including the content of the feed. also found to be contaminated with cancer-causing polychlorinated biphenyls (PCBs) at levels that raise health concerns.As far as environment is concerned, salmon farms are contaminating the oceans with antibiotics and toxic chemicals.

16. Darwin collected much of his data for his theory of natural selection- during a world voyage where he served as ship's naturalist. On the Galapagos Islands.

17 Other than solar, which of the following alternative energy sources is considered perpetual?- Hydroelectric-perpetual can be best decribes as renewable energy source. Primary source of renewable energy other that solar is hydroelectricity.

18. A keystone species is an organism that outcompetes all other species and dominates a habitat.-True. A keystone species is often, but not always, a predator, few predators can control the distribution and population of large numbers of prey species. Predator dominates.

19. Name the primary stakeholder ultimately responsible for the Deepwater Horizon disaster- British Petroleum. BP bears the majority of responsibility among the three companies involved in the Deepwater Horizon oil spill, citing the energy giant’s reckless conduct over the disaster in a ruling that exposes it to billions of dollars in penalties.

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