1. Name a simple machine with a spiral groove that is used to fasten things things together.
2.What allows blood to flow in one direction through the heart?
3._______ are plants or animals that can be grouped together because they are alike.
4.Name a simple machine with a sloping surface, used to raise or lower heavy objects.
5.The liquid part of blood is _______.
6.The gas produced by plants that animals need to breathe is ________.
and every one that thinks i need to do my own homework trust me my teacher said it was okay that i do this i swear!!
2006-10-09
15:48:10
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4 answers
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asked by
Angele'
3
in
Education & Reference
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