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Tanzania [10]
3 years ago
10

Is this statement true or false? Smallpox weakened the Aztec and Inca Empires. Question 11 options: True False

SAT
1 answer:
Lana71 [14]3 years ago
3 0

Answer:

true

Explanation:

bc i took the test

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For a population with a mean of μ=45 and a standard deviation of σ=10,
gogolik [260]

Question:

For a population with a mean of μ=45 and a standard deviation of σ=10. What is the corresponding z score if it has a score of X = 44?

Answer:

z = -0.10

Explanation:

Given

\mu = 45

\sigma = 10

x = 44

Required

Calculate the z score

This is calculated as:

z = \frac{x - \mu}{\sigma}

So:

z = \frac{44 - 45}{10}

z = \frac{-1}{10}

z = -0.10

5 0
2 years ago
Write an informative essay that summarizes how nature and wildlife are negatively affected by light
Schach [20]

Answer:

Essay below.

Explanation:

Over the years the world has evolved by leaps and bounds, to the point that such advances have brought different types of pollution to the planet.  Light pollution is one of them, and can be defined as the introduction of artificial light from artificial sources at night, in unnecessary intensities, directions and schedules, which are involved in the health of ecosystems; as well as in any natural state. This not only wastes money in cities, but also energy, while deteriorating the habitat of both nocturnal and migratory animals.

One of the consequences of light pollution that is one of the most important is that the amount of celestial objects that increase the illumination of the sky by itself is reduced up to 90%. Likewise; Observation visibility is limited by professional telescopes, since light blue is needed to appreciate. These consequences are not limited to the environment of the place where the pollution occurs, but the light is diffused through the atmosphere and its effect is felt up to hundreds of kilometers from its origin. In addition, light pollution can cause pests and persistent changes in the environment.

Light pollution is changing the cycle of some fish, dramatically affecting their feeding behaviour. Despite different changes in different species, overall was found that more animals were getting eaten.

In other hand, in fields where there were no lights, 60% less night pollinators were found in illuminated flowers. There were also 30 percent fewer species, which suggests that light pollution also decreases the diversity of pollinators. Lights can also affect insect reproduction, for example, by distracting male moths from the pheromones emitted by females. Predators have been shown to adjust their feeding habits to forage around lights, an added threat to nocturnal insects.

The actions to be carried out to reduce light pollution are usually associated with improvements in the quality of ambient lighting. It is possible to apply measures that would prevent the problem of light pollution such as the following:

Prevent the light from being emitted above the horizontal and direct it only where it is necessary.

  • Use lamps with low pollution spectrum and high energy efficiency.
  • Illuminate exclusively those areas that need it.
  • Regulate the shutdown of ornamental, monumental and advertising lighting.
  • Prohibit light or laser cannons and any projector that sends light to the sky.
  • Reduce consumption in hours of less activity, through the use of flow reducers in the public network or the selective shutdown of luminaires. Turn off luminaires that are not necessary.

Educating and making known all the solutions that are available for the care of the environment and the sky give greater economic, ambiental and astronomical benefits; since it will be then when more stars begin to appear in the sky for the enjoyment of all who live on earth and also  in turn the regulation of the cycles of animals and the ecosystem itself, giving the environment a balance; for future generations.

7 0
3 years ago
How did the leadership of Samuel Gompers from the American Federation of Labor differ from Terence Powderly of the Knights of La
NemiM [27]

Leadership of Samuel Gompers from the American Federation of Labor differ from Terence Powderly of the Knights of Labor because Gompers preferred negotiations rather than strikes

For better understanding, let us explain the Leadership of Samuel Gompers

  • Samuel Gompers  was born 1850 and died in 1924. He was an American labor leader and a Dutch-Jewish cigar maker. He has a doctrine called pure and simple unionism. He only does things that immediately benefited the workers such as wages, hours, and working conditions.
  • AFL is known as American Federation of Labor and it was formed in 1886, with Gompers was elected president of a union of skilled workers from one or more trades and uses collective bargaining to reach written agreements on wages hours and working conditions. The AFL used strikes as a major tactic to win higher wages and shorter work weeks.  

from the above, we can therefore say the answer Leadership of Samuel Gompers from the American Federation of Labor differ from Terence Powderly of the Knights of Labor because Gompers preferred negotiations rather than strikes is correct

learn more about Samuel Gromper from:

brainly.com/question/23968686

3 0
3 years ago
Read 2 more answers
The term commonly used in accounting to describe the format for recording a transaction is:.
fredd [130]

Answer:

General ledger

Explanation:

General ledger is used to record all of a companies transaction

6 0
3 years ago
Which of the following statements is not true about culture
Alexus [3.1K]

Answer:

Which of the following statements about culture is not true? a. Culture is persistent. b. Culture is learned. c. Culture is static. d. Culture?s impact is often invisible. e. Culture is a guide for social behavior

Explanation:

3 0
3 years ago
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