What is the difference between corona viruse and (since teachers) lool

Bone-strengthening physical activity done increases bone-mineral content and bone density in youth.

Which is not a step in the rock cycle?

The weights of bags filled by a machine are normally distributed with a standard deviation of 0.05 kilograms and a mean that can be set by the operator. at what level should the mean weight be set if it required that only 1% of the bags weigh less than 9.5 kilograms? round the answer to 2 decimal places.