Physics Middle School

Convection currents form when warm air rises and cold air sinks. What causes the warm air to rise and the cold air to sink?

difference in weather
difference in climate
difference in density
none of the above

Answers

Answer 1
Density! I’m good at these!
Answer 2
It’s density or climate

Related Questions

PLEASE HELP
4. According to the scientific theory of atoms, which of the following statements best
describes the location of
electrons?

A. in the nucleus of the atom

B. both in the nucleus and around it

C. outside the nucleus and often far from it, in the electron cloud

D. outside the nucleus, yet very near it because they are attracted to the protons

Answers

Answer:

D. Outside the nucleus, yet very near it because they are attracted to the proton

Explanation:

The answer is D hope this helped in some way and hope you pass your assignment!

What happens when a glass rod and silk cloth are rubbed with each other?

Answers

Answer:

When glass rod is rubbed with silk, glass h lose electrons easily and silk grabs them away from the glass atoms. So after rubbing, the glass becomes positively charged and the silk becomes negatively charged

Explanation:

Answer:

After rubbing them together, the glass becomes positively charged and the silk becomes negatively charged.

PLEASE HELP!! CORRECT ANSWER GETS A BRAINLIEST

Answers

A -- doesn't deal with the question of what to do about it once it's there.

B and C -- don't prevent it from happening, OR deal with it when it does.

D -- faces the fact that it can't be prevented, and comes to grips with the question of how to minimize the damage when it does happen.

The honest, effective choice is ' D ' .

i’m pretty sure the answers D
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