Check out this website http://science.jrank.org/pages/3421/Hummingbirds-Biology-hummingbirds.html
Mitochondria is the powerhouse of the cell. Only thing I remember from middle school science
Stockmanship is a term more common in the beef cattle industry and can be defined as the art and science of handling cattle, or any other farm animal, properly.
Answer:
c
Explanation:
for me Vibration in throat