What is the process used for extracting metals from ores?

a. ore

b. s. lag

c. alloy

d. smelting

What is the rms speed of cesium atoms that have been cooled to a temperature of 100 nk?

Adirect relationship can be represented by: a curve a pie chart

Which statement is true about the model of the electromagnetic spectrum a: it change the frequencies of light. b: it compare wavelengths of light. c: the color of light waves can be changed using the model. d: the intensities of light waves can be decreased using the model.