1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
scoundrel [369]
3 years ago
5

Explain how convection currents appear in the asthenosphere

Geography
1 answer:
dolphi86 [110]3 years ago
3 0

Answer:

Convection currents generated within the asthenosphere push magma upward through volcanic vents and spreading centres to create new crust.

You might be interested in
What types of climate, vegetation, and agricultural cultivation is found in the Aegean region?
Murrr4er [49]
The climate<span> of the </span>Aegean Region<span> has a Mediterranean </span>climate<span> at the coast,meaning it has hot, dry summers and mild to cool, wet winters. A semi-arid continental climate is present in the interior, meaning there are hot, dry summers and cold snowy winters.</span>
4 0
4 years ago
Water pollution is responsible for speeding up what process and causing an overgrowth of small plants?
cestrela7 [59]

Answer:

Water pollution speeds up eutrophication

Explanation:

3 0
3 years ago
Active continental margins are characterized by which of the following?
Maksim231197 [3]

Answer:

C) Deep-sea trenches

Explanation:

  • There are two types of the Continental plate margins as the active and the passive and the active margins are those associated lithosphere plate boundaries and these are a transform margins and high tectonic activity zones that include the volcanoes and the earthquakes.
3 0
4 years ago
Read 2 more answers
What are the advantages and disadvantages of coastal management? (2 advantages and 2 disadvantages)
Lera25 [3.4K]

Answer:

Coastal management refers to the technique in which natural features of the coast are maintained and protected from the threats of coastal erosion and coastal flooding.

Explanation:

Disadvantages:

1. They are expensive

2. The wall receives direct impact and this weakens the structure over time

3. Waves scour the bases of the wall and they often need maintenance or re-development

4. The availability of adequate drainage behind the wall is necessary

5. Modern recurved walls may promote coastline erosion since they do not hinder longshore drift but act as a mere barrier

Advantages:

Absorb wave energy through the slats.

Effective for many years Can be cheap compared to other techniques

7 0
2 years ago
When did abundant fossil evidence first appear in the geologic record?
Ede4ka [16]
Three billion years ago, according to National Geographic
5 0
4 years ago
Read 2 more answers
Other questions:
  • Why south american never gets hurricanes?
    8·1 answer
  • Based on what we know about our own solar system, the discovery of hot Jupiters came as a surprise to scientists because these p
    9·1 answer
  • The movement of continents over the earth's surface....what?
    15·2 answers
  • QUESTION 5 Chapter 3.2. What is effusive volcanism? O a When large amounts of ash are erupted out of a volcanic vent O b. When l
    8·1 answer
  • Submerged basaltic volcanoes that are higher than 1 km are called
    5·2 answers
  • How does energy flow in the food web shown above?
    7·2 answers
  • In Canada, the mortality rate is 7.4. In a population of 10,000, how many deaths would there be per year? OA. 74 O B. 7.4 O C. 7
    13·1 answer
  • What 4 ecosystem are present in west Africa
    7·1 answer
  • Find the distance between the two given points. If necessary , round to the nearest ten
    13·1 answer
  • North of Australia with dense forests​
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!