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lora16 [44]
3 years ago
5

Which system is not directly connected to itself

Chemistry
1 answer:
Nataliya [291]3 years ago
5 0

Answer:

B) Digestive

Explanation:

The system is dependent in the digestive system because it sends the nutrients to the bones and this helps the bone growth and the repair. It can not be A. since the skeleton system is connected with the muscular system physically, this is to protect muscles and allow the skeletal muscles to make the bones move, so this system is connected with itself with the help of the muscular system! The endocrine is somewhat connected with the nervous system, they are both essential to the communication and response system. This eliminates A and C and leaves you with B!

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Which natural occurrence is an example of a long-term environmental change?
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Answer:

Tectonic plates

Explanation:

Tectonic plates shifting is long term which creates a short term Earthquake, I hope this helped.

4 0
3 years ago
3. How many atoms are found in 0.000256 moles?
miskamm [114]

Answer:

1.54×10^20 atoms

Explanation:

It's done by using the relation

N=n×L where,

N = number of entities present

n= amount of substance (mole)

L= Avogadro's constant which is 6.02×10^23

now from the question, given

n=0.000256

And L=6.02×10^23

N= 0.000256×6.02×10^23

N= 1.54×10^20 atoms

8 0
3 years ago
9. Determine the number of protons, neutrons, and electrons in one 'H' ion. Explain how you found your
Katyanochek1 [597]

Answer:

'H' ion has only one proton and do not have any electron and neutron.

Explanation:

Hydrogen atom has only one electron and one proton and when it loses that electron, hydrogen ion (H+) is formed which is positively charged (charge of +1) and referred as a proton.

So, hydrogen ion do not left with any electrons or have zero electrons.

Hydrogen (H) atom do not have any neutrons in its tiny nucleus, so hydrogen ion (H+) also do not have neutrons.

Hence, 'H' ion (H+) has only proton and zero electron and neutron.

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Vamos para playa oh te rajas lol
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let's go to the beach or u will relax lol

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Which process in the water cycle do plants perform?
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Read 2 more answers
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