when performing a flame test using the method described in the manual, you complete the flame test of kno3 and find a yellow color instead of the expected purple color. select the potential sources of error.

Ascientist wants to find the radius in meters of his hemispherical dome he found that the surface area of the entire sphere containing the dome is 682 square meters which equation could he use to find the domes radius

The occupational safety and health administration requires employers to provide fall protection to construction workers who are working on surfaces with unprotected sides and edges feet or greater above the lower level.

Of the 168 hours in a week as a full time student you should spend how many hours per week on school work?