cumulonimbus and sometimes nimbostratus, however if your teacher only asks for one answer, say cumulonimbus.
Nebula
Clouds are formed from condensed water molecules.
The region of an atom in which the electrons move is called the electron shell, or electron cloud.
When liquid water droplets are big enough to fall to Earth, we call it rain.
this process is known as implantation
I guess a Keith harkian really you could just call Keith harkin fan but it sounds more interesting the other way. My friends and I call ourselves Keefers. LOL! And we also call CT fans Thunderheads
dead cloud
Fog
A cloudologist, or a meteorologist.
A Nebula.
Nebula
it is call hail
a cloud
it means kumo
A cloud.
It is called a nimbus cloud or if you are describing it just call it a threatning cloud
A tornado that does not touch the ground is a funnel cloud.