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ELEN [110]
3 years ago
13

I need help it is science agian

Chemistry
1 answer:
wolverine [178]3 years ago
8 0

Answer:

Kepler- created laws of planetary motion

Galileo- discovered moons of Jupiter; published in Italian

Copernicus-  revived Aristarchus heliocentric model

Explanation:

I hope this helps you! :)

Let me know if you need help with anything else.

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Please help ASAP!!!
77julia77 [94]

Answer: #1 The poppy seeds represent the protons, electrons and neutrons

#2 The fiberfill represents the nucleus   #3 Protons and neutrons are in the nucleus  #4 Electrons are the particles that are surrounding the nucleus  #5 Because they are representing different things and they are their own entity            

     Hope this really does help! : ⊃

5 0
4 years ago
Read 2 more answers
Saturated hydrocarbon molecules may be bonded in which type of structure?
poizon [28]
<span>all of the above can be saturated molecules </span>
3 0
4 years ago
Read 2 more answers
Name at least four other gases in the atmosphere besides oxygen and nitrogen
nikitadnepr [17]
Carbon dioxide (CO2)
Argon (Ar)
Hydrogen (H)
Helium (He)
8 0
3 years ago
If two substances travel up the chromatography paper this implies that
Colt1911 [192]

Answer:

They are seperating

Explanation:

6 0
3 years ago
I went for a walk the other day. I went four blocks east, then seven blocks south, then one block west and finally
nalin [4]

Answer:

a) distance is 4+7+1+8=20 blocks

b) displacement is 10 blocks

Explanation:

find displacement: x and y

x axis displacement = 4-1 = 3 blocks

y axis displacement = -7+8= 1 block

displacement = the square root of 3^2 + 1^2

= 9+1 = 10 blocks.

You can find the angle of displacement with respect to the initial position using trig identities, if you wish.

4 0
3 years ago
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