What happened after Antonia's mother prepared a picnic for the kids in the book Define Normal?

Production of electricity by water power

What is the meaning of the word checking as it is used in this sentence from the second paragraph of the passage?

Determining sentence type match each sentence with its type. i looked over my shoulder, because ! had an eerie feeling simple the child ran to greet the dog, and the teddy bear fell to the ground. compound-complex the leaf broke loose from the gnarled branch complex while the moon was full, the wolves howled and the dogs slept. compound