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2 years ago

Convection currents are liquid fluids that are traveling when there is a change in temperature or density inside the material.

2 answers:

6 0

Because particles within a solid are fixed in place, convection currents are seen only in gases and liquids. Convection is a heat transfer process.

aleksley [76]2 years ago

3 0

Answer:

90% of people marry there 7th grade love. since u have read this, u will be told good news tonight. if u don't pass this on nine comments your worst week starts now this isn't fake. apparently if u copy and paste this on ten comments in the next ten minutes you will have the best day of your life tomorrow. you will either get kissed or asked out in the next 53 minutes someone will say i love you

Explanation:

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Several properties of water are shown. Classify each property as a physical property or a chemical property.

34kurt

Chemical property:

Can be split into hydrogen and oxygen
Reacts with certain metals

Physical property:

Is liquid at room temperature
Has a density of 1.0 g/cm³

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2 years ago

Be Name the element. Number of shells? Valence electrons?

Vedmedyk [2.9K]

Answer:

Name the element: Beryllium

Number of shells: 4

Valence electrons: 2

Explanation:

4 0

3 years ago

What makes landing the hot air balloon a challenge?

Mariana [72]

You have to think about the fact that hot air is constantly being blown up elevating the balloon once that air is taken away it's up to the steering and the wind after that. I know that probably doesn't help did you want to know the science part?

7 0

3 years ago

Help would be majorly appreciated

Sophie [7]

Answer:

a) the atomic number is 15

b) the mass number is 15+16 = 31

c) element is phosphorus

d)Group 15 period 3

6 0

2 years ago

Help me i could fail this

Alina [70]

Answer:

1231231234124

Explanation:

3213+123124124

5 0

2 years ago

Read 2 more answers