Drag the tiles to the correct boxes to complete the pairs.
Match the pollution type to its effect.
air pollution
water pollution
light pollution
land pollution
contaminated soil
smog
sky glow
eutrophication

Which is not a source of noise pollution? a)airplanes b)acid rain c)machines d)cars

The force acting on a beam was measured under the same operating conditions and a sample of 5 data points was collected. this process was repeated by 3 observers. the pooled standard deviations of these 3 data sets was 1.21. determine the true mean force using all pooled data (with a 95% probability). the result should look like this: true mean = mean +/- margin of error

Both speed and velocity measure how fast something is moving. however, since speed is not a it does not require a(n question 6 options: a) quantity , unit b) magnitude, unit c) scalar, direction d) vector, direction