Molybdenum metal must absorb radiation with a minimum frequency of 1. 09×1015s−1 before it can emit an electron from its surface via the photoelectric effect.

When graphing a linear equation that is written in the form y=mx+b, the variable m represents the y-intercept. assuming that b> 0, which of the following best describes how reversing the sign of b would affect the graph? a) the new line will be shifted down b units b) the new line will be shifted down b x 2 units c) the new line will be a perfect reflection across the x-axis d) the new line will be a perfect reflection across the y-axis

What kinds of antigens are found on the rbcs of a person with a+ blood

The press is free to say whatever they want about whomever they want, regardless of whether they know it’s true. true false