WHAT YOU NEED: a ruler, a compass and a pencil. STEP 2: Put the pin of a compass at the end of the line you want to bisect. Set the compass to more than half the length of the line, and draw an arc ...
Every animal and plant needs food to live, and they are all part of a food chain. Food chains show how animals obtain their food. A food chain also shows the flow of energy, which starts off at the ...
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