Answer:
Student B
Explanation:
They used to units of measurement to verify there answer.
Fist student rounded so its an estimate of the answer but second student verified with millimetes and cm.
Also its physics lol or maybe math.
Answer:
C - Mutations are the only source of genetic variation for asexual reproduction
Earthquakes are usually caused when rock underground suddenly breaks along a fault. This sudden release of energy causes the seismic waves that make the ground shake. When two blocks of rock or two plates are rubbing against each other, they stick a little.
Answer:
The trachea branches into two tubes called bronchi (one to each lung). The bronchi split into smaller and smaller tubes called bronchioles, which then end in microscopic alveoli (air sacs). ... The layer of moisture in the alveoli allows gases to dissolve so that they can diffuse quickly.
You're either talking about Community which means grouping of different organs or population which is the grouping of the same organ
