One of the most valuable items traded in North Africa long ago was _____. salt animals oil water

Answers

Answer 1
Answer: The correct answer for the question that is being presented above is this one: "salt." One of the most valuable items traded in North Africa long ago was salt. Salt was abundant at that time, and thus North Africa is taking advantage over it.

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Each radio station broadcasts on a specific frequency called a carrier wave. Please select the best answer from the choices provided
Which statement about El Salvador is not true?a. El Salvador is prone to earthquakes. b. El Salvador is the largest country is Central America. c. San Salvador is the largest city in El Salvador. d. In addition to Spanish, several indigenous languages are spoken in El Salvador.

After an earthquake which type of seismic wave arrives second at a seismometer

Answers

Answer:

The correct answer is Secondary Waves (S).

Explanation:

When the rocks inside the earth suddenly break, or an exploration occurs, seismic waves are generated.

When an earthquake occurs, the secondary waves (S)are the second to reach a seismometer. This type of waves is known as body waves and they travel through the interior of the Earth instead of moving over the surface.

The waves that arrive first are the Primary (P) waves that are the fastest type of seismic wave, therefore they are the first to reach a seismograph.

S waves arrive second after an earthquake.

S waves are also known as secondary waves, hence why they arrive second after an earthquake.

Hope this helps!

A septic system is an example of a _______________ source of water pollution.A. nonpoint
B. point
C. watershed
D. datapoint

Answers

Answer:

A. nonpoint

Explanation:

  • Septic related to the harmful bacteria and the contaminated particles that are harmful particles that is injurious to the ecosystem.
  • As the examples of the septic sources include the pollutant that doesn't have source and thus have the nutrient that stops the growth, the nutrient is a pollutant that is river runoff and occurs form a variety of sources like the agricultural forest and the urban areas and also results from form many diffused form the  
  • An example of the sepic pollutants is tanks, public wells and another contaminated body of water, that have an undesirable amount of bacteria viruses and the other contaminant so if the groundwater, etc.
the answer is A. Nonpoint sources are sources that do not directly effect the water,but rather indirectly effect the water. In other words it takes a bit longer to pollute the water than directly putting something in the water.

The major difference between Earth and the other planets in our solar system is that _____.Earth has an atmosphere
Earth has a lithosphere
Earth has a biosphere
Earth has a cryosphere

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The major difference between Earth and the other planets in our solar system is that Earth has an atmosphere. The atmosphere is the reason why Earth is livable place.

The main difference between earth and other planets is not atmosphere other planets have an atmosphere just not that is able to retain life like earth so therefore it would end up being a biosphere a sphere containing lifeforms

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Where is brussels in europe

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Brussels is situated in Belgium.
Brussels is also the capital of Belgium.
Brussels is located in Belgium.

The opposite of consumptive water is water consumption. true false

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Answer: False

Explanation:

 The given statement is false that the consumptive water is not the opposite of the water consumption. The consumptive water is basically refers to the water that are available for supply without returning to the system of water resource for example cooking food and water used in the agriculture purpose.

The opposite of the consumptive water is non consumptive of the water use. The water consumption means that the water is taken from the surface of the water sources either temporary or permanently.

This is False from the information I have which lead me to conclude the answer as False.

The gases and chemicals released by the engines of cars and trucks are calledA terraces
B. acid rain
Cozones
D. emissions

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Answer:

D emissions. Hope this helps :) <3

Explanation:

Answer:

d thats all ik

Explanation: