C. The sentence is incomplete because it is missing a<span> subordinate clause.
</span>A subordinate clause is <span>a clause, typically introduced by a conjunction, that forms part of and is dependent on a main clause (e.g. ‘when it rang’ in ‘she answered the phone when it rang’).</span>
Can u explain what ecosystem
It is a phrase. Hope this helps
When moisture is present in the atmosphere and temperatures are low enough, ice crystals will form and continue to combine with each other until the matter is heavy enough to actually fall to the ground.
Inside a cloud, tiny ice crystals latch onto very tiny particles of dirt or debris. When the matter is heavy enough, it falls.
Hope this helps you with understanding weather function.
