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3 years ago

How are the united states and canada cooperating to improve environmental conditions?

1 answer:

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The two federal governments have implemented over 40 international agreements for the management and protection of environmental quality and ecosystems in the border area and there are over 100 additional such agreements between U.S. states and Canadian provinces. The two countries also share policies, programs, and goals to prevent and control pollution and to ensure sound policies and practices to protect and restore the many shared ecosystems.

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Which statement contrasts viruses and bacteria?

Sergeu [11.5K]

Answer:

Viruses can replicate inside cells, while bacteria release toxins to destroy cells.

Explanation:

Viruses and bacteria are both considered microorganisms that can be pathogens. Bacteria are singled celled organisms, where as viruses are non-cellular. Therefore, viruses are sometimes considered non-living, or "on the edge of life"

Viruses consist of (at the minimum) a genome surrounded by a protein coat. To replicate, they have to insert their genome into a host cell. This is another reason they are sometimes considered non living.

In contrast, bacteria can release toxins but do not replicate inside cells.

Therefore, the answer is viruses can replicate inside cells, while bacteria release toxins to destroy cells.

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3 years ago

Scientists think that convection currents flow in Earth’s

12345 [234]

Answer:

b. mantle

Explanation:

7 0

3 years ago

Humans have used the Ganges River, located in India, for all of the following except __________.

Dahasolnce [82]

The answer is D. The Ganges is too polluted (bathing, burial, travel) to actually drink from. The Indians think of the Ganges of a religious river, therefore scattering the ashes of their dead ones and bathing the worshippers in the water.

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3 years ago

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1. Which occurrence is not characteristic of global warming? (1 point)

USPshnik [31]

1. An occurrence that is not a characteristic of global warming is;

B. Stabilization in the sea level due to warm weather

A warming climate can cause seawater to expand and ice over land to melt, both of which can cause a rise in sea level.

2. A non-impact of global warming on ecosystem is;

D. Food and supplies increase

Climate change not only affects ecosystems and species directly

3. A factor that contributes to the strength of hurricanes is;

A. Warmer ocean temperatures

Hurricanes start simply with the evaporation of warm seawater, which pumps water into the lower atmosphere. Once hurricanes move over cold water or over land and lose touch with the hot water that powers them, these storms weaken and break apart.

4. A practice that does not protect the environment is;

D. Frequent usage of a SUV

Car pollution is one of the many major causes of global warming. Cars and trucks emit carbon dioxide and other greenhouse gases, which contribute one-fifth of the United States' total global warming pollution.

5. A vehicle that is most likely to be fuel efficient is the;

D. Gas-electric hybrid car

Hybrids are the most gasoline efficient of all cars

6. Scientists predict that global warming will cause Ethiopia to experience;

D. Greater frequency of drought-related conditions

The environment is directly impacted by drought. Drought can affect water sources, land, fish and wildlife and plant communities. A lack of water and reduced ability for soil to support crops can affect fish, animals and plant life.

7. A majority of the greenhouse-gas emissions released into the;

C. Carbon dioxide

Carbon dioxide (CO2) makes up the vast majority of greenhouse gas emissions from the sector.

8. The main human activity that contributes to global warming is;

E. Burning of fossil fuels

The burning of fossil fuels by humans is the largest source of emissions of carbon dioxide, which is one of the greenhouse gases that allows radioactive forcing and contributes to global warming.

9. A statement that is true regarding where pollution is most evident is;

A. Areas with a high population density

As people age, their bodies are less able to compensate for the effects of environmental hazards.

10. A human activity that would best support global efforts to improve the environment and to reduce global warming is;

B. Riding a bicycle to a nearby playground

Riding a bike provides a fairly fast and dependable mode of transportation that just happens to save money, getting fit and helping to reduce global warming.

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3 years ago

Read 2 more answers

Careful measurements reveal that a star maintains a steady apparent brightness at most times, except that at precise intervals o

Anit [1.1K]

Answer:

The star is a member of an eclipsing binary star system

Explanation:

A careful explanation about the measurement reveals that the star maintains a steady and apparent shape of brightness and at most of the time remains brighter.

With and usual intervals of about the 73 hours and then the star becomes contestant dimmer for about every toe hours and is due to the fact that the star is a member of the eclipsing system.

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3 years ago