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
IgorLugansk [536]
3 years ago
13

Under which condition below would you expect a glassy extrusive rock like obsidian to form

Biology
2 answers:
vagabundo [1.1K]3 years ago
8 0
Obsidian is an extrusive rock that is formed when magma from underneath the Earth's crust breaches and becomes lava. Once the lava starts cooling, it solidifies and elements are frozen, giving the rock its glassy appearance.
Alekssandra [29.7K]3 years ago
5 0
Quick cooling on earths surface
You might be interested in
What are the largest carbohydrates called
nignag [31]
Monosaccharides and disaccharides are relatively small molecules. They are often called sugars.
3 0
3 years ago
Coquina, a type of limestone, forms from shell fragments that settle on the ocean floor. What type of rock is coquina?
Nikitich [7]

Answer: sedimentary.

6 0
3 years ago
Read 2 more answers
Each sentence describes an interaction between two of Earth’s spheres. Match each sentence with the spheres that are interacting
madam [21]

Answer: the Earth's spheres interact with other planets in the universe

Explanation: the Earth has different layers and its atmosphere and then when it is in contact with the outer space it can rotate around other planets

3 0
3 years ago
A scientist discovers a new organism that is related to clownfish. What can the scientist discover by using molecular clocks? th
juin [17]

The molecular clock is a scientific technique which presents a means of estimating evolutionary rates and timescales using genetic data. It uses mutation rate of biomolecules when two or more life forms diverged to estimate the time. Answer is B. 
3 0
3 years ago
Read 2 more answers
Somalia is located on the coast of Africa, east of Ethiopia.<br><br> True<br> False
USPshnik [31]
Yes, It's true Somalia is at the very east of Athupia
7 0
3 years ago
Other questions:
  • The observations of hooke and van leeuwenhoek documenting the existence of microscopic cells formed the basis of what important
    6·1 answer
  • If piece of copper has a density of 13.29 g/cm³ and a volume of 25 cm, what is the mass of the liquid?
    13·2 answers
  • In the late 1960s and early 1970s, the Beccarian model of offending experienced a rebirth largely due to scientific reviews show
    15·1 answer
  • .
    10·1 answer
  • How do u determine the phenotype for different genotype using information given?
    9·1 answer
  • While a 31-year-old multigravida at 39 weeks' gestation in active labor is being admitted, her amniotic membranes rupture sponta
    7·1 answer
  • In the space below, summarize the process of sexual reproduction in unicorns to explain how offspring are produced. Include and
    15·1 answer
  • Black jack (Bidens pilosa) belongs to the family Compositae. What is it’s: Genus.
    15·1 answer
  • “The movement of cytoplasm is due to the movement of chloroplasts in the living cells of onion plant”, “while the movement of ch
    6·1 answer
  • a firefighter wakes in the middle of the night to the sound of an alarm. it is likely that her have released epinephrine and nor
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!