What are the three possible combinations of the two types of proteins that can be found on a person's red blood cells?

The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is call

Explain that newton first law, second law and third law of motion?

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