If you needed a mass measurment accurate to three digits after the decimal, such as 3.149 grams, you would want to use- a) spring scale. b) an electronic balance. c) a triple-beam balance. d) at least two formulas off your formula chart.

If you wanted to find the volume of an irregularly-shaped object such as a pebble it is be best to use the displacement method.

I would say B. I'm not 100% sure but thats my guess

Because the earth is not round ,but it may seem round when viewed from ,our planet but true some points earth is not round was an oblate spheroid -a square that it squashed as globe however is not even a perfect oblate spheroid.in fact isaac newton's first proposed that earth was not perfectly round but it was an oblate spheroid instead.that mean a square that is squashed as its poles and swollen at the