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
Pani-rosa [81]
1 year ago
14

Lava flows are typically finer grained (i. e. the rock is made up of smaller mineral grains) than intrusive igneous rocks. what

is the principle reason for this?
Biology
1 answer:
maks197457 [2]1 year ago
6 0

Lava flows are typically finer grained (i. e. the rock is made up of smaller mineral grains) than intrusive igneous rocks because the extrusive magma cools quickly so the mineral grains do not have time to grow.

When lava comes out of a volcano and solidifies into extrusive igneous rock, the rock cools very quickly. Crystals inside solid volcanic rocks are small because they do not have much time to form until the rock cools all the way, which stops the crystal growth. Magma, called lava when molten rock erupts on the surface, cools and solidifies almost instantly when it is exposed to the relatively cool temperature of the atmosphere. Quick cooling means that mineral crystals don't have much time to grow, so these rocks have a very fine-grained or even glassy texture.

To learn more about Lava flows , here

brainly.com/question/9359428

#SPJ4

You might be interested in
Pests in a food establishment can cause foodborne illness because:
allochka39001 [22]
<span>Pets might have fleas and other diseases that could be transferred to the food either by the pet directly coming into contact with the food or by way of employees after they come in contact with the pet. This is especially dangerous if the food establishment does not have very strict sanitation rules.</span>
7 0
3 years ago
In a controlled experiment, the ___ is the group that receives some type of treatment.
marysya [2.9K]
Independent experiment.
5 0
3 years ago
what is a good hypothesis for, how does heart rate change during and after an exercise is performed for two different periods of
Mila [183]
As you workout your heart rate will increase because you need oxygen.
3 0
3 years ago
How does the phosphorous cycle differ from the nitrogen cycle and the carbon cycle?
Varvara68 [4.7K]
The phosphorus cycle does not include an atmospheric component because phosphorus does not cycle through the atmosphere. In comparison, important processes of the carbon and nitrogen cycle occur in the atmosphere.
7 0
3 years ago
write a 5-7 sentence paragraph explaining what happens to co2 levels in the world over the course of the year. add as much conte
Hunter-Best [27]

Answer:

The amount of CO2 found in the atmosphere varies over the course of a year. Much of this variation happens because of the role of plants in the carbon cycle. Respiration happens all the time, but dominates during the colder months of the year, resulting in higher CO2 levels in the atmosphere during those months.

Explanation:

4 0
2 years ago
Other questions:
  • The factors that control which traits an organism will express are called what
    14·1 answer
  • A change in density occurs as a result of ___ compression.
    8·1 answer
  • A method for assessing your body size by taking your height and weight into account is the
    9·2 answers
  • Achondroplasia ____.
    9·1 answer
  • Microbial ecology is the study of the relationships between microorganisms and the environment. It is important to understand su
    5·1 answer
  • Is solar energy a renewable source of energy
    11·2 answers
  • True or false: the question “how much precipitation is needed to increase the amount of water in a lake by 2 feet?” Can be answe
    12·1 answer
  • Alcoholic fermentation
    7·2 answers
  • How would you expect osmosis to affect the water balance in these organisms?
    15·1 answer
  • Which statement best describes cellular respiration?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!