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san4es73 [151]
4 years ago
8

Which is true about scientific models? A they never change B they must be true for at least 10 years C they will be modified wit

h new new observations and data D hey are generally the work of one scientist
Geography
1 answer:
VladimirAG [237]4 years ago
6 0
C. the answer is c. They change with new data. 
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How many of the world's 20 largest cities are located in Western Europe?
kondaur [170]

A is the answer.

None of the world's largest cities are in Western Europe. Moscow is not in western Europe either.

8 0
3 years ago
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What river flows just south of cincinnati, ohio?
Kazeer [188]
The river which flows just south of Cincinnati, Ohio, is the Ohio River.
It is the largest tributary of the Mississippi River and it represents a natural border between Ohio and Kentucky. It flows through six American states , and it is 1,579 km ( = 981 miles) long.
5 0
3 years ago
President Obama's tweet about being reelected was retweeted by thousands of twitter users within minutes. This is an example of
Mandarinka [93]

Answer: Hierarchical  diffusion

Explanation:

Hierarchical diffusion describes a situation where information is first shared amongst certain people such as a group of connected individuals and then those ones spread it as well to others.

This is what happened here. President Obama's tweet was first seen by people who followed him and so were connected to him on Twitter and then as they retweeted it, more people saw it and retweeted it as well leading to the tweet being shared to millions.

7 0
3 years ago
What are some examples of enviromental problems solved by applied geography?​
Sphinxa [80]

Answer:

The three environmental problems are as follows:

Climate Change

Deforestation

Water crisis

These are some of the well-known environmental problems of the world where environmental scientists are working to find the solution.

As far as climate change is concerned, the whole world is co-operating because it is not related to any country or region but related to our mother earth. Scientists are working to reduce the temperature of the earth which is a big concern of this issue and it can be done only by the reduction of the carbon emission which we release from fossil fuels burning. Scientists are working to find an alternative source of energy by which we can bypass the fossil fuels usages and make our earth clean and green.

Deforestation is one of the other concern and it can be checked by the plantation of new trees as well as by reducing our dependency on paper which we get from trees and there are other ways also that country should have to cut their pristine forest to set up industries and housing colonies and all nations have to maintain some percentage of their land as a forest.

The water crisis is also a big concern of this 21st century, It can be resolved by the use of water in a proportionate way and also by saving the groundwater for future generations. Scientists are also working in the new-technologies by which we can desalinate water from the sea.

For all this information on the environmental concern, you need to go through any environmental journal or magazine.

Explanation:

The three environmental problems are as follows:

Climate Change

Deforestation

Water crisis

These are some of the well-known environmental problems of the world where environmental scientists are working to find the solution.

As far as climate change is concerned, the whole world is co-operating because it is not related to any country or region but related to our mother earth. Scientists are working to reduce the temperature of the earth which is a big concern of this issue and it can be done only by the reduction of the carbon emission which we release from fossil fuels burning. Scientists are working to find an alternative source of energy by which we can bypass the fossil fuels usages and make our earth clean and green.

Deforestation is one of the other concern and it can be checked by the plantation of new trees as well as by reducing our dependency on paper which we get from trees and there are other ways also that country should have to cut their pristine forest to set up industries and housing colonies and all nations have to maintain some percentage of their land as a forest.

The water crisis is also a big concern of this 21st century, It can be resolved by the use of water in a proportionate way and also by saving the groundwater for future generations. Scientists are also working in the new-technologies by which we can desalinate water from the sea.

For all this information on the environmental concern, you need to go through any environmental journal or magazine.

6 0
3 years ago
What factor affects the color of a star?​
worty [1.4K]
Surface temperature of the star affects the color
6 0
3 years ago
Read 2 more answers
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