Aproximatley what percentage of the u. s. energy is renuable energy? a.5% b. 9% c. 15% d.25%

Compare the depth of field when focusing with low power and high power. which power has the greater depth of field?

Describe how a student should adjust the microscope to see the cells on a slide more clearly?

Which of the following types of stars is most likely to end up as a supernova? in graph a, the curve peaks at 800 nm, in the red section of the visible light spectrum. in graph b, the curve peaks at 550 nm, in the green section of the visible light spectrum. in graph c, the curve peaks at 450 nm, in the blue section of the visible light spectrum. in graph d, the curve peaks at 300 nm, in the violet section of the visible light spectrum. a b c d