Which type of sentence is grammatically incorrect?
select the best answer from the choices provided.
a compound sentence
a run-on sentence
a complex sentence
a simple sentence

Which is a text clue that readers understand the theme of valuing all life in "birdfoot's grampa”? a birdfoot becomes impatient with his grandfather. b grampa walks into the grass to release the toads. c grampa just smiles when birdfoot argues with him. d birdfoot notices the rain around his grandfather’s head.

(1) fire extended humans’ geographical boundaries by allowing them to travel into regions that were previously too cold to explore. (2) it also kept predators away, allowing early humans to sleep securely. (3) fire, in fact, has been a significant factor in human development and progress in many ways. (4) other obvious benefits of fire are its uses in cooking and in hunting. (5) probably even more important, however, is that learning to control fire allowed people to change the very rhythm of their lives. (6) before fire, the human daily cycle coincided with the rising and setting of the sun. (7) with fire, though, humans gained time to think and talk about the day’s events and to prepare strategies for coping with tomorrow. the sentence that expresses the main idea is: (type the number of the sentence. then click “go.”)

In the section the deciding pitch what is the narrators point of view on how th pitcher feels about the upcoming event