The wild oat seeds were stuck to the turtles front legs, so when it was rolled off the road, the seeds fell off and onto the road. The turtle then started moving and while it was doing that it covered the seeds with the ground and thus it planted them
Bravado, he orders his men to cut the birnam woods down
When they land on the island and begin to search for food, he tells them to return to the ship as quick as they can so that they can set sail safely.
A non-count noun is one the cannot be made plural.
The non-count noun in this sentence is rain.
We could add a solar heating to the greenhouse, or we could build a rainwater collection system for the same cost.