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shtirl [24]
3 years ago
15

Which substance is a pure substance? Cereal Silver Jelly bean Shampoo

Chemistry
2 answers:
Tju [1.3M]3 years ago
6 0

Silver?

Fun FACT : An apple, potato, and onion all taste the same if you eat them with your nose plugged

zalisa [80]3 years ago
4 0
The answer is silver
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A sailboat is pushed by a steady wind with a force of 4000 N. Its acceleration is 2
AveGali [126]

Answer:

<h2>2000 kg</h2>

Explanation:

The mass of the sailboat can be found by using the formula

m =  \frac{f}{a}  \\

f is the force

a is the acceleration

From the question we have

m =  \frac{4000}{2}  \\

We have the final answer as

<h3>2000 kg</h3>

Hope this helps you

6 0
3 years ago
During action potential, positively charged ________ ions move inside the cell.
Tems11 [23]

During action potential, positively charged  sodium ions move inside the cell.

So option D is correct one.

The sodium ion moves inside the cell during a action potential. The stage of action potential is called depolarization . This open voltage gated sodium channel.

Action potentials ( those electrical impulse that send signals around body )  is nothing but more than temporary shift ( from negative to positive ) in the neuron's membrane potential caused by ions suddenly flowing in and out of the neuron.

It consists of phases:

  • Depolarization
  • overshoot
  • repolarization

An active potential propagates along the cell membrane of an axon until  it reaches the terminal button.

to known more about action potential

brainly.com/question/27095019

#SPJ4

8 0
2 years ago
Please help fast!!! What does the weight of an object depend on?
olga2289 [7]

weight depends on the force of gravity that is exerted on it.


3 0
3 years ago
Read 2 more answers
Someone please help me sort these out for either if they are Heterogenous, solution, suspension, or colloid. Tuna casserole, gre
Sphinxa [80]
Heterogeneous-a mixture of two or more things
solution-a substance that dissolves
suspension-mixture where solid particles do not dissolve
colloid-does not settle and cannot be seperated

Heterogeneous
- tuna casserole
-chocolate chip cookies
-gelatin dessert
-green salad
Solution
-oil (?) depends 
Suspension
-vinegar salad dressing
-oil (?) it could go in either catagory
Colloid
-vinegar salad dressing
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7 0
3 years ago
Explain the Doppler effect using light. Why is the Doppler effect important in astronomy?
Alexeev081 [22]
Doppler effect is the compression or extension of a sound wave, which causes a change in its wavelength / frequency (and so its sound).
Explanation: It is defined as the effect produced by a moving source of waves in which there is an upward shift in frequency for observers, the source is moving towards and downward shift of frequency from which the source is moving away. used to tell if an object in space is moving toward or away from us.
8 0
3 years ago
Read 2 more answers
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