Answer:
false because its a substance so to change it you have to make a physical change
Explanation:
Which of the following environmental problems is most associated with the
African Sahel?
Desertification
Deforestation
Air pollution
Flooding
Water pollution
Answer:
A
Explanation:
The Sahel is a desert and it is getting bigger.
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Desertification is an environmental problem that is most associated with the African Sahel. Hence, option A is appropriate.
What is the meaning of Desertification?Desertification is a form of dryland land degradation in which biological productivity is lost as a result of innate processes or as a result of human-induced activities, causing productive areas to become a rider and arider.
Desertification is the process through which grasslands and shrublands in drylands, also known as arid and semi-arid lands, decline and eventually vanish. Desertification can be attributed to two main factors: climate change and human activity.
Drylands are degraded by desertification. It entails the decline of croplands, pastures, and woods' biological economic productivity, and complexity. Climate variability with unsustainable human activity is the main cause.
Four levels of desertification—slight, moderate, severe, and extremely severe—have been utilized as the basis for the classification system used to create continental desertification maps.
Hence, option A is appropriate.
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Arrange the layers in order from oldest to youngest.
https://cdn.ple.platoweb.com/EdAssets/adf65d6839714388b4104a95a74e38c5?ts=635835224053900000
Layer 3
Layer 4
Layer 1
Layer 2
Answer:
1 2 4 3
Explanation:
1 2 and 4 go and then 3 leaks through after
Why is the improved education of girls so important, especially with regard to economics and health? What are the leading causes of death among teenage girls in Africa and how are they tied to education?
Answer and Explanation:
The lack of qualification for education is such that we have ten economic ideals and that we can participate in the formal economics of our families and regimes. This is so as if the garotas live in the ambience of pouca infrarutura, which prejudica a sa dede delas de intense form. Of course, there was a lot of diner and sustenance, so that these garotas would be very young, with a minimum of 15 anos. Essays are usually used to treat menopause and poultry infertility or that can be used to provoke mortals.
When did life first appear on Earth?
Answer:
Explanation:
The earliest time that life forms first appeared on Earth is at least 3.77 billion years ago, possibly as early as 4.28 billion years, or even 4.41 billion years—not long after the oceans formed 4.5 billion years ago, and after the formation of the Earth 4.54 billion years ago.
Answer:
3.77 billion years ago
Explanation:
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How were the Sumerians able to create a surplus of food?
Answer:
Digging of irrigation canals to irrigate their fields allowed for growing better and more crops. food surpluses allowed people to do other work than farm. this meant that they had enough food to survive in extra to trade with.
Explanation:
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What are the key agricultural products in Canada and the United States?
a.
beef, milk, rice, and corn
c.
milk, beef, eggs, and corn
b.
rice, corn, eggs, and wheat
d.
rice, beef, eggs, and corn
where is runny lava found
a. on a continental plate
b. on an oceanic plate
Answer:
A. Continental plate
Explanation:
A continental plate is where most volcanoes are and it is the layer that humans live on
Many mountains in the coast range are dormant volcanos
Answer: True most are dormant volcanoes.