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
emmainna [20.7K]
3 years ago
15

Obsidian is a rock with glass-like characteristics. Obsidian is formed by rapid what and why?

Biology
1 answer:
Inga [223]3 years ago
7 0
<span>(d) cooling
if obsidian is glasss like it is very logical that a cooling process is needed! If I was u I'd go cooling, d
:)</span>
You might be interested in
What is the result of dissociation of water? a) Formation of O-2 ions b) Formation of H+ and OH- ions c) Formation of H- and OH+
kati45 [8]
I think the correct answer from the choices listed above is option C. The result of the dissociation of water is  the formation <span>of H- and OH+ ions. This process is reversible which means that it could form back to water. Hope this answers the question. Have a nice day.</span>
4 0
3 years ago
Is this karyotype from a male or female? how do you know ?<br> Also do they have down syndrome? How?
Arlecino [84]

Answer:

Its a male, without down syndrome

Explanation:

The fact that it's a male is indicated from the presence of the Y chromosome. In order for this man to have down syndrome, he would have had 3 chromosomes at 21, which he doesnt, meaning he doesnt have down.

7 0
3 years ago
Over half of the people in the United States rely on groundwater for drinking water.
djverab [1.8K]
Over half of the people in the United States rely on groundwater for drinking water. This is true.
6 0
3 years ago
Read 2 more answers
You are looking at a cell. It has a nucleus and is larger than the cells around it. It is mostly likely a ________ cell
mote1985 [20]

eukaryotic cell is the answer

5 0
3 years ago
Suppose the interior of the thylakoids of isolated chloroplasts were made acidic and then transferred in the dark to a pH 8 solu
Lilit [14]

Answer: (A) The isolated chloroplasts will make ATP

Explanation:

The Thylakoid will receive hydrogen from the acid which is pumped across the thylakoid membrane, and the electrochemical proton synthesis of ATP begins in the stroma. Once the chloroplast has been transferred to the dark, high-energy electrons are loaded together with (H+) onto NADP+, converting it to NADPH.

6 0
3 years ago
Other questions:
  • What enables Dna to have so many variations with only 4 chemicals?
    10·1 answer
  • Which has more energy for erosion?
    13·2 answers
  • Which statement below is most accurate about the processes of mitosis and meiosis?
    13·2 answers
  • Messages in your brain are transmitted by
    11·1 answer
  • A large population of animals is split in two by a physical barrier. over time, the genetic makeup of the two resulting populati
    10·1 answer
  • In the models that describe population growth, r stands for _____.
    6·1 answer
  • Which of the following best describes why scientists often study embryonic structures when determining evolutionary relationship
    5·1 answer
  • Will give brainliest plz help
    8·1 answer
  • Glucagon acts upon the?
    12·1 answer
  • Geologists determine the
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!