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
ad-work [718]
3 years ago
7

Why does obsidian and igneous rock appear smooth and glassy

Biology
1 answer:
BigorU [14]3 years ago
3 0
The answer is because its crystal cools quickly. Obsidian rock usually forms when cooling happens instantly.

Hope this helps!!
You might be interested in
Which molecule is hydrolyzed (digested) by amylase? Multiple Choice glucose albumin starch cellulose glycogen
Flura [38]

Amylases' main function is to hydrolyze the glycosidic bonds in starch molecules.

<h3>Which molecule is hydrolyzed and digested by amylase?</h3>

Amylase is an enzyme that separates glucose molecules from starch. Both plants and animals use amylase when digesting starch. amylase, any limb of a class of enzymes that imbues the hydrolysis (splitting of a compound by the inclusion of a water molecule) of starch ...

Amylase is any member of a class of enzymes that activate the hydrolysis (splitting of a compound by the limb of a water molecule) of starch into smaller carbohydrate fragments such as maltose (a molecule composed of two glucose molecules).

So we can conclude that Amylases are usually referred to as a class of enzymes that catalyzes the hydrolysis of starch into glucose and maltose.

Learn more about Amylases here: brainly.com/question/1800071

#SPJ1

7 0
1 year ago
What gases are being exchange in the alveoli
Shkiper50 [21]
Oxygen and Carbon Dioxide are the two gases being exchanged in the alveoli. Carbon Dioxide diffuses blood into the air, and oxygen diffuses from the air in the alveoli into the blood.
7 0
4 years ago
What would a solar eclipse look like if the Moon were smaller than it is now?
Step2247 [10]

Answer

Explanation:

the moon would have to be closer to the earth for it to perfectly align with the sun, or if it were smaller it would look like a circle with a smaller black circle in the middle.

3 0
4 years ago
This is for science
trapecia [35]

Answer: it is the second one (squeezes together)

8 0
3 years ago
A 135-pound woman who is 38 years old needs how much protein?​
Maru [420]

<span>The amount of protein a woman should get each day depends not just on age and weight. Her activity level must also be considered. </span><span>A 135-pound woman who is 38 years old and assuming not pregnant needs  (b) 49 grams/day if she is not very active or (d) 110 grams/day if she is very active.</span>

8 0
3 years ago
Other questions:
  • What would be direct consequences from decreasing angiosperm biodiversity? Select all that apply. extinction of animals balancin
    6·1 answer
  • A primigravida is admitted to the emergency department with a sharp, shooting pain in the lower abdomen and vaginal spotting. a
    11·1 answer
  • Is the grilled lizard unicellular or multicellular ?​
    8·1 answer
  • A 27-year-old female presents with a chief complaint of burning and pain on urination. she has no previous history of urinary tr
    15·1 answer
  • The somatosensory cortex is responsible for processing ________.
    5·1 answer
  • What is the purpose of photosynthesis
    10·2 answers
  • What pigment found in skin originates from outside the body?
    6·2 answers
  • What are 4 characteristics of metals?
    5·1 answer
  • Two trains are traveling down a track. Train A has more mass than Train B. What will happen when the two trains attempt to stop
    8·1 answer
  • How do scientist test thier hypothesis
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!