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
dimaraw [331]
4 years ago
8

______and_____are examples of pure substances.

Chemistry
1 answer:
antiseptic1488 [7]4 years ago
6 0
Pure substances are either elements or compounds.
You might be interested in
Please help me with this three questions
zheka24 [161]

Answer:

1. A. Thyroid Gland Function

B. detecting Blood Clots

C. Treating Cancer

2. An example would be how many are used as tracers for diagnostic purposes

3. Beneficial because it gives us ways to eleminate pests, by the sterile insect technique

Number three is kinda iffy a bit difficult to explain it may be explained better in your book.

7 0
3 years ago
Why for thousand of years people believed that stars moved across earth sky
Rzqust [24]
Because they did not have the proper technology. Hope my answer was useful.

5 0
3 years ago
Read 2 more answers
A student calculates the volume of a graduated cylinder to be 43.26 ml. The actual volume is 42.32 ml. What is the percent error
Tpy6a [65]

Answer:

2.2%

Explanation:

Percentage error,

You apply the formula,

[(Estimated value - Actual value)/Actual value] × 100%

; [(43.26 - 42.32)/42.32] × 100

; (0.94/42.32) × 100

; 0.022 × 100

Percent error = 2.2%

7 0
4 years ago
Table salt is considered a(n) ______________ because it conducts electricity in water. A) electrolyte B) electrolysis C) nonelec
kodGreya [7K]
A) electrolyte the others either describe a process, the opposite, or a whole different thing
4 0
4 years ago
Read 2 more answers
The picture below shows a sample from a tree.<br> What kind of tree is this?
HACTEHA [7]

Answer:

I believe it is Spruce, because of the shape of the leaves

7 0
3 years ago
Read 2 more answers
Other questions:
  • Can someone help me please
    11·2 answers
  • A(n) ____ is an object, person, or other entity that is a potential risk of loss to an asset
    9·1 answer
  • The mass of 1 mole of nitrogen is 14 grams. The mass of 1 nitrogen atom will be approximately how much in grams?​
    13·1 answer
  • Which of the following is not an example of a base?<br><br> KOH<br> LiOH<br> HCl<br> NaOH
    7·1 answer
  • Please explain to me!!!
    8·1 answer
  • Which of these affects the motion of an object
    11·2 answers
  • Bananas Foster is an example of a dessert that is flambéed. A Bananas Foster label states the accepted number of Calories to be
    5·1 answer
  • A snail takes 36 minutes to cross a highway. How many minutes would it take the snail to cross the same highway 7 times?
    11·2 answers
  • PLEASE PLEASE HELP ME!! I WILL BRAINLIST YOU!! A 28.0 g sample of N2 is in a rigid 4.50 L container at 32 °C. Calculate the pres
    7·1 answer
  • PLEASE HELP ITS FINAL EXAMS!
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!