The correct answer is 3 billion years old as per the banded iron sample obtained from Canada
Answer:
Cellular respiration
Explanation:
Respiration is the process by which energy is made. Aerobic respiration requires oxygen.
All the other processes listed do not require oxygen to.
Answer:
crab shells, fish scales, and fish bones might be found. And pieces of trash like chip paper, rubber bands, and tin foil.
Explanation:
Pellet can be described as a compressed mass of a substance, which is usually have round shape and small size.
it is understood that the pellet is formed when the birds catches the prey and swallow it in large chunks . Then, they digest the parts of the prey that are digestible, which goes down their esophagus, then through their proventriculus , and finally into the gizzard. The parts that are not digestible form a pellet.
It should be noted that the pellet is stored for several hours, after which it is regurgitated.
Answer:
the temperatures are getting hotter
Explanation: