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PolarNik [594]
2 years ago
15

HELP PLEASE DUE IN 3 MINUTES

Physics
1 answer:
diamong [38]2 years ago
6 0

Answer:

tectonic plate movement

Explanation:

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<span>a thin fibrous cartilage between the surfaces of some joints, e.g., the knee.</span>
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3 years ago
Jenny is studying a compound that has two oxygen atoms and one nitrogen atom. Which statement describes the subscripts she will
STALIN [3.7K]

Answer:

She will use one 2 as a subscript.

Explanation:

Nitrogen is a chemical element with the symbol "N" and has an atomic number of 7. Thus, it is found in group (5) of the periodic table and as such it has 5 electrons in its outermost shell. Therefore, nitrogen has two (5) valence electrons.

On the other hand, oxygen has an atomic number of 8 and with the symbol "O."

When nitrogen and oxygen react chemically, they produce a compound known as nitrogen dioxide NO_{2}

In this scenario, Jenny is studying a compound that has two oxygen atoms and one nitrogen atom. Therefore, the statement which describes the subscripts she will use to write the chemical formula is, she will use one 2 as a subscript.

N + O_{2} ------>  NO_{2}

Where: 2 represents the subscript of oxygen.

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3 years ago
Which of the following is true regarding the speed of earthquake waves?
Levart [38]

Answer:

p waves travel faster than s waves and surface waves

4 0
3 years ago
If a bowling ball of mass 7.0 kg has a potential energy of 1100 Joules, how high above the ground is the bowling ball?
kirza4 [7]

Answer:

16.03m(2dp)

Explanation:

Ep=m x g x h

1100=7.0x 9.8( gravitational field strength) x h

Height= 1100/7.0 x 9.8

          =16.03498542

          = 16.03m (2dp)

6 0
3 years ago
Four resistors , R1=12ohms, R2= 15 ohms , R3= 18 ohms and R4=10 ohms are connected to 6 v battery in series what is the total re
morpeh [17]

Answer:

55 ohms

Explanation:

if it was series circuit, then you just need to add all the resistances

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