2 Answered Questions for the topic Its For Science

Edward is driving a car on the highway. He drives for 28.5 miles in of an hour. At this rate, how much distance can he cover in one hour?

This is a problem at school my teacher did. i dont understand how to sole this. please help!!!!!
Its For Science

10/19/17

the definition of chromosome

i need the definition and the internet is not finding it for me 

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