5th grade science question
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Answers:closed system: a part that is separted from its surroundings by a boundary that lets no transfer of matter or energy across it. And so it produces energy by it's self. example: a human body I know isn't just so confusing to learn about!
Answers:Hi Scarlett, I think that you are looking for the Arachnid class. I thought you might be referring to this since the prefix ARACHNE refers to spiders, as in Arachnophobia (the movie) These creatures have 8 legs and have joints, as we do (ankle, knee, hip) I am attaching a link for further study. http://en.wikipedia.org/wiki/Arachnids Have fun with this, we did last year in my class
Answers:Average speed = Distance divided by Time 23kilometers divided by 1.5 hours = 15.333333 kilometers per hour
Answers:you will never feel the warmth of the earth and the lovely breeze of the air