Most lightning happens inside a cloud, but sometimes it happens between the cloud and the ground. A build up of positive charge builds up on the ground beneath the cloud, attracted to the negative charge in the bottom of the cloud. The ground's positive charge concentrates around anything that sticks up-trees, lightning conductors, even people. The positive charge from the ground connects with the negative charge from the clouds and a spark of lightning strikes.
Explanation:
Here,
initial velocity(u)=25m/s
final velocity (v)=0m/s
time taken(t)= 5 second
Now,
Answer:
Explanation:
Tides occur mainly in oceans because that is basically one huge body of water that is free to move all over the earth. Lakes and rivers do not cover enough area to have their water be moved significantly by gravity, or in other words, to have tides.
Let's look at them in turn until we find the correct answer:
A) Rile is a kind of formation on the moon, but it's not a mineral
B) brecchia is a kind of rock composed of broken minerals. But, lunar breccias would not be similar to those found on earth
C) is the correct answer! it's a mineral containing silica
