What scientist discovered atoms contain electrons?

Answers

Answer 1

Answer: I think j.j Thompson discovered that atoms contain electrons

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8 Explain How can subsidence lead to the formation of sedimentary rock

Answers

the water runs out the holler and through the creek an then the molecules sedimentate

Definition and explanation of conduction convection and radiation in your own words

Answers

radiation: heating up something without touching it.
convection: heating up one thing inside of another, like a oven.
conduction: heating something by connecting or passing through it. ( radiation=no touchy heating, conduction= a little touchy heating, convection= a lot of touchy heating up. ) yw.

The boundary between cold and warm air masses is called

Answers

It's called a "Front"

Answer: It would be a front

Suppose a scientist made this model.what info did the scientist need to know in order to make the model

Answers

Suppose I wanted to answer this question about the model.
What info about the model would I need to know in order to
make any intelligent guess about the model ?

Hint:
It would really help if I could SEE the model, or at least a photo of it.

When a bar magnet is broken into two pieces each piece has a north and south pole becausea
the magnetic fields reversed

b
every magnet is made of many aligned smaller magnets

с
bar magnets are permanent magnets

d
the magnetic poles have been isolated

Answers

Answer:

every magnet is made of many aligned smaller magnets

Explanation:

Which of the following has the greatest magnitude?30 Newtons
1 Newton
. 10 Newtons

Answers

Answer:

30 newtons

Explanation:

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