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tiny-mole [99]
3 years ago
15

In restoration ecology, why might it be challenging to return a damaged ecosystem to original its state/function? Why do scienti

sts often select watersheds as an area to study energy and matter flows in'ecosystems?
Geography
1 answer:
aleksandr82 [10.1K]3 years ago
4 0

Answer:

in order to restore a damage ecosystem, to sow native seeds or transplanting individual plants is a first step towards the solution.

2. Because it is difficult to study biogeochemical cycles globally, it is important to research in a smaller scale in order to measure the ecosystem  processes.

Explanation:

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5. In sub-Saharan Africa and Southeast Asia, external contacts and exchange are thought to have had a role in the rise of early
Rudiy27

External contact and intercultural exchange benefitted early civilizations. This is true of both the civilizations of sub-Saharan Africa and those of Southeast Asia.

In the case of Sub-Saharan Africa, one such civilization was that of the Kingdom of Kush. This was established around 1070 BCE. Kush developed in a region known as Nubia, in the Sudanese and southern Egyptian Nile Valley. Much of the success of the Kingdom of Kush came from its interactions with Egypt. Kush was an important producer of gold and ivory, and by trading with Egypt, it achieved great wealth. It also acquired some of the traditions of Egypt, such as the building of pyramids and mummification.

Southeast Asian civilizations also benefitted from trade in their early years, particularly maritime trade. The Austronesian people built the first ocean-going ships. They trade with areas such as Southern India and Sri Lanka. This also connected these people with the cultures of India and China. This trade led to a rise in technological knowledge and traditions. Some of the items that were exchanged in this trade were catamarans, outrigger boats, sewn-plank boats, coconuts, sandalwood, bananas, and sugarcane.

7 0
3 years ago
The two paragraphs below describe an international organization
Anastasy [175]

Answer:

I believe the answer is A.

Explanation:

NAFTA stands for North American Free Trade Agreement. It eliminated all tariff & non-tariff barriers between the US, Mexico, and Canada.

5 0
1 year ago
The North American Free Trade Agreement is an economic region that ties together what 3 countries?
Drupady [299]
Canada, Mexico, and the United States 
7 0
3 years ago
A radioactive element has a half-life of 1,000 years. If a sample of this element begins with a mass of 20 grams, how long would
Fynjy0 [20]

A radioactive element with a half-life of 1,000 years, and starting mass of 20 grams, will need 2,000 years to decrease to 5 grams.

Explanation:

The radioactive elements all have a specific half-life. Each element's half-life is well known, and they are used by scientists of numerous fields as they are excellent for determining the age of a particular item, be it or organic or non-organic nature. In this case, we have a radioactive element with a half-life of 1,000 years, and starting mass of 20 grams.

The half-life basically means that half of the mass of an element is lost during a particular period of time. For the element in question we need to find out how much time will be needed for it to decrease to 5 grams. In order to get to the result, we just need to add 1,000 years on every decrease of half of the mass:

20/2 = 10

10/2 = 5

So in 1,000 years, the element in question will decrease to 10 grams, and in further 1,000 years (2,000 cumulatively) it will decrease to 5 grams.

Learn more about radioactive decay brainly.com/question/9796067

#learnwithBrainly

7 0
3 years ago
How are earthquake waves used to provide information about earths interior?
Bad White [126]

Answer:

Seismic and the Earth. they came. Geologists use these records to establish the structure of Earth's interior. The two principal types of seismic waves are P-waves (pressure; goes through liquid and solid) and S-waves (shear or secondary; goes only through solid - not through liquid).

3 0
3 years ago
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