Answer:
Certain fossils, called index fossils, help geologists match rock layers. To be useful as an index fossil, a fossil must be widely distributed and represent a type of organism that existed for a brief time period.
Answer:
cell body is the feelings of our heart
Explanation:
need ko na po
To deliver amino acids to their proper site during protein synthesis.
Answer:
yes
Explanation:
an hypothesis is a guess based on observation
