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
Anvisha [2.4K]
3 years ago
9

Is quartz a homogeneous or heterogeneous substance?

Biology
1 answer:
DENIUS [597]3 years ago
3 0
Quartz (also known as silica) is a crystalline pure substance composed of silicon dioxide (SiO2). It is ,therefore, homogeneous.

It is good to know that inhaling <span> finely divided crystalline silica  can be poisonous and can lead to several diseases including lung cancer,</span> bronchitis as well as  <span>silicosis.</span>


You might be interested in
The period adolescence in which teenagers experince rapid physical growth and hormonal changes is
UNO [17]
Puberty probably idk
5 0
3 years ago
Cancer cells cancer cells generally form benign tumors. have a slow mitotic rate. may exhibit metastasis. are indistinguishable
anzhelika [568]

Answer: may exhibit metastasis

Cancer cells may exhibit metastasis, this is true.

<span>Other choices are not true of cancer cells because:
Mitotic rate of cancer is high, not slow. Benign tumors are not cancer. It is distinguishable from normal body cells, it forms neoplasms. </span>

7 0
4 years ago
Read 2 more answers
Higher animal and plants most likely have
liberstina [14]
Higher animals and plants most likely have oogametes

3 0
4 years ago
Lead emissions since the early 1980s have
frez [133]
Lead emission since early 1980s have DECREASE DUE TO LEAD FREE GASOLINE. 
Lead is a natural occurring element that is found in small quantity in rocks and soils. Lead emission is an important environmental health issue because a very small quantity of lead can cause adverse effects on the nervous system of unborn babies and young children. Because of this, the government took all necessary measures to ensure that its emission was drastically reduced.
4 0
4 years ago
I give you brilliant for this. I need independent and dependent variable:
SSSSS [86.1K]

Answer:

cake is dependant, who runs the slowest is independant

7 0
3 years ago
Other questions:
  • What tells the cell what to do
    8·2 answers
  • What does DNA contain?
    7·2 answers
  • Which of the following element determine whether a compound is organic or inorganic
    15·1 answer
  • What was significant about the fossils Darwin found?
    7·2 answers
  • How do you convince your mom to get you a king snake
    14·2 answers
  • What is allantois? What's it's function?
    7·1 answer
  • According to the diagram below, which of the following is a derived characteristic of flatworms?
    15·1 answer
  • A large community of plants and animals that occupy a district region of the world is a
    13·1 answer
  • what is called when a scientist carefully examine a new result by someone else in their field of study
    9·2 answers
  • 5. Which major consumer of oil is most vulnerable to disruption in the event of another energy crisis: electric power generation
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!