Carbon is usually the result of burning fuels, cars, busses, taxi's
Gemstone :) Is a rare and attractive mineral that can be worn as jewelry
Answer:
Amoebas
Explanation:
I took the test and that was MY answer
The pit that marks the location of the umbilical cord after birth is known as the navel or belly button. All animals that grow placenta during fetal development will have a navel or belly button. The scientific name of the structure is the umbillicus. It can be a depression in some individuals or raised in others.