They use their beaks and they push down really hard to stick it
Answer:
air is drawn into the lungs
lungs expand
the muscles between the ribs contract to move the ribs up and down
air pressure in the chest cavity decreases
the diaphragm contracts and flattens
The Law of Conservation of mass is important because then when performing a chemical reaction scientists can determine about the amount of substance that will be produced.
The answer is C, Photosynthesis because it’s an non human activity, it’s energy from the sun
