Select the correct answer.
Which sentence best introduces the topic?
O A.
Scientists are constantly looking for ways to improve people's lives.
B.
Scientists enjoy developing new technologies, even though it takes time.
OC.
Scientists do not have all the answers, but they try to.
D.
Scientists oftentimes struggle to find new ways to make people's lives better.
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"we always see things from the same angle," the boy continued. "it's much less trouble that way. besides, it makes more sense to grow down and not up. when you're very young, you can never hurt yourself falling down if you're in mid-air, and you certainly can't get into trouble for scuffing up your shoes or marking the floor if there's nothing to scuff them on and the floor is three feet away." "that's very true," thought tock, who wondered how the dogs in the family liked the arrangement. tock views what alec says through his own experiences as a dog. with time. as milo's friend. as alec’s friend.