In a multicellular organism, the reproduction of cells is carefully controlled most of the time. Old cells are replaced with new cells and the growth rate is regulated so they do not reproduce too rapidly or too slowly. Which general process does this regulation represent?

For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have

What type of electromagnetic waves does the human eye see as the colors red blue or green a visible light waves b radio waves c infrared waves d microwaves

Before it was launched, a helium-filled balloon had a pressure of 201 kpa at a temperature of 27°c. at an altitude of 15,000 m, the pressure had decreased to 2.5 kpa and the temperature had dropped to -14 °c. the volume of the balloon increased to 59.3 m3. what is the original volume of the balloon? 13 m3 0.85 m3 0.077 m3 1.17 m3