If an atom of sodium has 11 protons, what is its approximate atomic mass?

When is your respiration rate likely to change? a. when your intestines are digesting b. when your cells have too much glucose c. when your cells need more oxygen d. when your liver is working after a meal

In the first stage of the nuclear fuel cycle the spent fuel must be transported, processed, and disposed of properly. true or false

Where are chlorophyll molecules located within the chloroplasts?