help plz for my class?

Environmental science help?

1. South Florida obtains its ground water from

a) the Floridan aquifer

b) the Biscayne aquifer

c) Biscayne bay

d) the Everglades

e) Lake Okeechobee

2.) Most of the groundwater withdrawn is used for

a) drinking

b) bathing

c) agriculture

d) washing cars

e) washing dishes

3) Wetlands are important component of an ecosystem in many ways. Which of the following is not one of these?

a) Wetlands provide water for canals through runoff.

b) Wetlands increase provide a habitat for wildlife, such as fish, alligators and wading birds.

c) The plants in wetlands remove impurities from the water, such as heavy metals.

d) Wetlands act as sponges and prevent flooding and erosion.

e) Wetlands are important to the hydrological (water) cycle.

4) All of the following pollute groundwater. Which is the greatest source of groundwater pollution?

a) acid mine

b) pesticides, herbicides, and fertilizers

c) radioactive waste

d) natural waste

e) heavy metals

5) Many factors influence the proportion of water that soaks into the ground (infiltration) or runs off. Identify the choice below that would favor infiltration more so than run off.

a) surface has steep slope

b) rainfall is heavy

c) ground is nearly saturated

d) soil is porous and sandy

e) surface lacks vegetation and is barren

6) Which of the following has the greatest negative impact on biodiversity?

a) air pollution

b) deforestation

c) water pollution

d) tree farming

e) wetland formation

7) Exotic plants and animals

a) lead to more diverse and stable ecosystems

b) destroy ecosystems

c) increase water flow through the everglades.

d) provide food for native species

e) are beneficial to agriculture and farm industries

8) Human activities which threaten to destroy habitats include

a) logging

b) cattle grazing

c) urban development

d) hydroelectric dams

e) all of these

9) The Kissimmee River in Central Florida feeds into Lake Okeechobee and is part of the Greater Everglades Ecosystem. It was originally a meandering river with many bends that was subsequently channelized. When a river is channelized, like the Kissimmee River was, which of the following is more likely to happen?

a) sawgrass marshes are created.

b) more floods are likely.

c) more wildlife will be found in the area.

d) less wetlands will be found in the area.

e) more wetlands will be created in the area.

10) Things individuals can do to alleviate the potential threats of global warming include all of the following except

a) improve energy efficiency where they live.

b) keep their cell phone charges plugged in all the time.

c) plant trees.

d) reduce, reuse, and recycle.

e) urge legislators to sponsor bills aimed at greatly improving energy efficiency.

11) Freshwater runoff into the sea which in turn reduces the sea’s salinity.

A) Increases biodiversity in the coral reef

B) Reduces biodiversity in the coral reef

C) Has no effect on the coral reef

D) Causes coral reef bleaching

12) An increase in the ocean (water) temperature.

A) Increases biodiversity in the coral reef

B) Reduces biodiversity in the coral reef

C) Has no effect on the coral reef

D) Causes coral reef bleaching

13) Deforestation that leads to increased erosion from the mainland into the sea.

A) Increases biodiversity in the coral reef

B) Reduces biodiversity in the coral reef

C) Has no effect on the coral reef

D) Causes coral reef bleaching

14) Increased shoreline vegetation and ecosystems like estuaries and mangroves.

A) Increases biodiversity in the coral reef

B) Reduces biodiversity in the coral reef

C) Has no effect on the coral reef

D) Causes coral reef bleaching

15) All of the following threaten the survival of coral reefs except

A) runoff of toxic pesticides and industrial chemicals

B) eroded soil from poor land management and deforestation

C) depletion of stratospheric ozone

D) predation by sharks

E) Oil spills and limestone mining

1 Answer

Relevance
  • Roddy
    Lv 7
    8 years ago
    Favorite Answer

    There is a difference between helping and doing it all for you.

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