A crow bar of length 2 m is used to balance a load of 900 N. if the distance between load and fulcrum is 0.5 m. calculate

which

what is a measurement of the earth’s history divided into time periods?

> fossil record <

sedimentary rock

> geologic time scale <

radioactive elements

colors do exist. the color of the sky is actually violet; humans percieve the color of the sky as blue.

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