There are hundreds of different helicopters.
Yes, they had many kinds of helicopters in 1955
there are many different kinds and many different brands of hybrids
2
8
scientists believe there are 118 different kinds of elements
over 1,000
As many as the sum of all the kinds of trees, shrubs, flowers, grasses, and all other kinds of plants that exist, whether known or unknown. Nobody knows how many there really are.
Very many.
There are many different helicopters. Most small civilian helicopters may fly for about an hour, but large passenger or military helicopters can fly for 6 hours or more.
There are 22 amino acids that humans require for life. however, there are hundreds of different kinds of amino acids.
There are actually thousands of different types and recipes for cookies from all around the world and throughout history.
I know of 5, regular Spam, Spicy, Smoked, Turkey, and low sodium.