They use it to to generate, accumulate, and report scientific knowledge. Basic research, which answers questions about behaviour, and applied research, which finds solutions to everyday problems, inform each other and work together to advance science.
Dr. Steiner said, “Although it’s a toy, silly putty has some practical uses.” He continued to talk. “In fact,” he said, “ astronauts took it to the moon.” Dr. Steiner added, “The putty was used to hold tools in place.”
“Was weightlessness the reason,” one student asked, “or was it another reason?”
“You guess right,” Dr. Steiner exclaimed as he showed us the photos.
The simple subject is B. Book
Increase
it’s the action in the sentence