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Firdavs [7]
3 years ago
6

What are three kinds of volcanoes? What makes them different?

Biology
1 answer:
sashaice [31]3 years ago
6 0

Answer:

Composite, shield, cinder cones, and supervolcanoes are the main types of volcanoes.

Composite volcanoes are tall, steep cones that produce explosive eruptions.

Shield volcanoes form very large, gently sloped mounds from effusive eruptions.

Volcanoes have several shapes, which are controlled by the composition of the magma and the nature of its eruption. If a volcano produces very fluid lava (low in the compound SiO2, or silica), the magma flows a long distance before it cools, making a flat, shield-shaped volcano.

Explanation:

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What can cause a gap in the rock record?
Pani-rosa [81]

Answer:

Option (3)

Explanation:

Unconformity is defined as the gaps in the sequence of geological rocks. It is a geological contact that marks the boundary between the different types of rocks. In simple words, they are also known as the time of non-deposition. These unconformities have great significance in the field of geology. They are of 4 types, namely-

(1) Angular unconformity- The sedimentary rocks are initially formed and deposited in an area, after that the area is tilted and erosion takes place. Now, the new sediments are deposited forming an angle, which is commonly known as an angular unconformity.

(2) Non-conformity- When the sedimentary rocks are deposited over the igneous or metamorphic rocks, then it is known as the non-conformity.

(3) Para conformity- When the sedimentary rocks are deposited parallel to the ground surface, and absence of erosion activity, then these surface appears to be a normal (simple) bedding plane. This is known as the para conformity.

(4) Disconformity- When the sedimentary rocks are formed and undergoes erosion, then new sedimentary rocks are deposited over this and diminishes the unconformity. This forms a discontinuity.

Thus, the unconformity arises due to both erosion and lack of rock deposition.

Hence, the correct answer is option (3).

8 0
3 years ago
Read 2 more answers
Identify the stage of meiosis pictured below.
MAXImum [283]

Answer: The answer is Anaphase ll

Explanation:

4 0
3 years ago
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Which cell organelle is labeled #2?<br> ??
UNO [17]

Answer:

Nucleus could I have brainliest sorry to bother.

Explanation:

6 0
3 years ago
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What Happened to the Anchovy? - Part 2
Charra [1.4K]

Note about the question:

You will find the graph in the attached files.

Answer:

A) overfishing in previous years and warm waters with few nutrients

Explanation:

Under El Niño conditions, there is a tropical stream, which is usually weak, that acquires strength while the opposite streams debilitate. This event impedes warm water to go eastward, remaining in South America´s coasts, which produces unusual precipitations in Chile followed by floral bloom in Atacama desert and fewer precipitations events in Eastsouth Asia and North Australia. During and after the El Niño, occurs a fishery crisis because there is no upwelling on the coasts of South America, nutrients from the bottom do no ascend, and fish populations remain equal or decrease.    

Around 1970, there was e<u>xcessive overexploitation of fishes</u>. This overfishing probably led to a significant decrease in the anchovy population size, reducing the number of individuals in the reproductive stage, especially the females. The graph reflects that during the following years, there were also peaks in anchovy catch. The population did not have enough time to recover from the highest peak in 1970.

From 1982-1983 El Niño event was severe. No upwelling meant no nutrients to survive, and that the remaining anchovy population, previously affected by fishery, hardly made it that year. There was probably a fishery crisis, and hence, no animals were caught in 1984.

7 0
2 years ago
How does ATP store energy for life's processes and how is it recycled?
maw [93]
ATP stores energy in the form of a high energy phosphate bond which then joins the terminal phosphate group to the rest of the molecule. When the cell needs energy, it takes the ATP and converts it to ADP and phosphate. Rather than discarding them, they travel back to the mitochondria where they are recycled in order to produce another ATP!
7 0
3 years ago
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