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Iteru [2.4K]
3 years ago
6

Describe how primary succession following a volcano is different from secondary succession following a forest fire.

Biology
2 answers:
riadik2000 [5.3K]3 years ago
8 0
A primary succession is when new soil needs to be formed from the rocks whereas in secondary succession, the soil for new plants and life is already there in the ashes.
Bezzdna [24]3 years ago
8 0

Answer:

The Primary succession can be defined as an area that was not occupied earlier, barren, and uninhabited and there was no vegetation.  

The secondary succession can be defined as the area in which previously there is a growth of a community and it is occupied, inhabited and has primary vegetation but it was got disturbed due to some external or internal factors.

Example of primary succession: Bare rock,Volcanic eruption, and Desert, while that of secondary succession will include earthquake, flood, forest fire etc



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Read 2 more answers
Approximately how far apart were north america and europe 200,000 years ago
Ne4ueva [31]

The correct answer is - 1,180 km.

North America and Europe move away from one another, though on the other end of the plates, the Eurasian and the North American plates are actually merging. Since the rate of moving away is 2 cm per year, and the current distance is 1,184 km between North America and Europe, the distance between them 200,000 years ago was 1,180 km.

To get to the result we only need to multiply the number of years with the annual movement

2 x 200,000 = 400,000

Then divide the result with 100,000, as that is how much cm are in one km

400,000 / 100,000 = 4

And we get 4 km, in this case 4 km less, thus the distance between the two, 200,000 years ago, was 1,180 km.

4 0
3 years ago
Dino and his family live in a community where people just throw their garbage anywhere. Recently, Dino was hospitalized due to d
jok3333 [9.3K]

Answer:

The main measure that must be taken to alleviate this situation is the proper disposal of garbage in the community in which Dino lives.

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Inadequate disposal of garbage can cause a series of very serious illnesses and accidents to the entire community, which reinforces the need for all residents of a community to promote the proper disposal of waste. This is not happening in the community where Dino and his family live.

The inadequate disposal of garbage can contaminate the water and food of the community, causing diarrhea in Dino. This garbage also caused the accumulation of standing water, allowing the dengue mosquito to develop and infect his sister. In addition, garbage has created a suitable environment for maleficent microorganisms, such as the bacteria that causes tuberculosis.

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