Which of the following is an example of a food that is sorted? A. Eggs.
B. Cream.
C. Cotton candy.
R. All of the above.

What forms when chemical reactions combine pollution with sunlight?

Apiece of copper has a temperature of 75.6 0c. when the metal is placed in 100.0 grams of water at 19.1 0c, the temperature rises by 5.5 0c. what is the mass of the metal?

Calculate the energy required to ionize a hydrogen atom to an excited state where the electron is initially in the n = 5 energy level. report your answer in kilojoules