How fast does food have to cool? *
a. from 120°f (49°c) to 40°f (4°c) within 6 hours
b. from 165°f (74°c) to 50°f (10°c) within 6 hours
c. from 140°f (60°c) to 41°f (5°c) within 6 hours
d. from 120°f (49°c) to 41°f (5°c) within 6 hours

Which statement is true about the part of the electromagnetic spectrum that human eyes can detect? it contains only the colors of the rainbow and television waves. o it is divided into seven ranges of wavelengths. it contains ultraviolet, visible, and infrared light. it is divided into nine ranges of wavelengths.

What methods could you use to solubilize calcium carbonate

Element j is 1s 2s 2p 3s . (i) how many unpaired electrons does j have? (ii) is j a good oxidizing agent or a reducing agent? (iii) state reason for the answer.