Biology, 20.05.2021 19:40 hoperodriguez3111
Which two statements about composite materials are true?
A. they're made up of more than one substance
B. they have the same or similar properties as the materials used to make them
C. they're always made of metal
D. they're readily available in nature
Answers: 2
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Which organisms have pharyngeal arches that develop from all three germ layers and go through the same development stages as embryos? 1.bird 2.ladybug 3.starfish 4.snake
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A60-tooth gear is connected to a 72-tooth gear.if the smaller gear turns 12 times,how many turns does the larger gear make?
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Which of these is an example of land degradation? a. containers designed to store pollutants leak. b. fertilizers provide too many nutrients to crops. c. garbage is buried so the land can be reclaimed later. d. a drought kills all the plants in an area, leaving bare land
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Which two statements about composite materials are true?
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