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Svetlanka [38]
2 years ago
11

12. Which type of rock is represented by the map symbol below?* A) clastic sedimentary rock formed from organic substances B) ch

emically formed sedimentary rock that consists mainly of the mineral calcite C) regional metamorphic rock with block like foliation D) contact metamorphic rock that results from the alteration of limestone by contact with an igneous intrusion​
Biology
1 answer:
MAVERICK [17]2 years ago
5 0

Explanation:

There are three main types of rocks: sedimentary, igneous, and metamorphic. Each of these rocks are formed by physical changes—such as melting, cooling, eroding, compacting, or deforming—that are part of the rock cycle.

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NEED HELP QUICK PLEASE HELP
kozerog [31]

Answer:

Question 1

D

Question 2

C

Question 3

D

Explanation:

1. An ecosystem is MOST likely to return to its original condition after Tall prairie grass burns after being struck by lightning.

Here is a research paper in which they explained how this happened. (Komarek, E. V. (1971). Lightning and fire ecology in Africa. In Tall Timbers Fire Ecology Conference (Vol. 11, pp. 473-509).)

2. In some national parks, controlled fires are maintained by firefighters. The major reasons for using controlled burns to maintain certain ecosystems is to give nonnative plants a chance to colonize the region.

A recent article provided the insight of this situation (Xanthopoulos, G., Delogu, G. M., Leone, V., Correia, F. J., & Magalhães, C. G. (2020). Firefighting approaches and extreme wildfires. In Extreme Wildfire Events and Disasters (pp. 117-132). Elsevier.)

3. One reason for the change in the Galápagos ecosystem has been the introduction of species that were not on the island before, such as donkeys, goats, cats, dogs, and insects. The introduction of nonnative species MOST likely disrupt the balance of life on the islands due to greater competition for limited food sources.

Scientist said that food competition is actually a struggle to survive in any ecosystem here is the reference paper (Eckhardt, R. C. (1972). Introduced plants and animals in the Galapagos Islands. Bioscience, 22(10), 585-590.)

5 0
3 years ago
Story: Blue green algae are a kind of bacteria found in many lakes. These organisms make their own food through photosynthesis.
Gre4nikov [31]

Explanation:

then this is a good idea to have a great day and address of the topic of your name and address of the topic of your name and address of the topic of your name and address of the topic of your name and address of the topic of your name and address of

7 0
3 years ago
Read 2 more answers
Which of the following is the secondary principle of proportion?
musickatia [10]
B. Depth creates the overall weight and more something is to be measured
8 0
3 years ago
Long-term activation by nuclear receptors differs from the more transient membrane receptor signaling for what reason
Rama09 [41]
I have no idea but i think because long term activation is long term rather than nuclear. this is wrong
6 0
2 years ago
Explain why a coyote might be grouped into Level 3 in one food web and Level 4 in another.
Masteriza [31]

Answer:

This situation might happen depending on the ecosystem that it takes place in.

Explanation:

For example, in one ecosystem, where there are no serious predators trying to get the coyotes, they could be in a higher level because there is no immediate danger to them. However, in another ecosystem where there are predators trying to hunt them, they would be in a lower level because there, they are not at the top of the food web. Basically, it all depends on the ecosystem.

<em>Hope this helps!</em>  

4 0
3 years ago
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