Answer:
Check if the rock layer has fossils in it.
Explanation:
The rock layer from the inside out and the fossils will tell you how old the rock is.
Answer:
D
Explanation:
Bacteria, air, animals, plants
Yes i think so, but not sure
The answer is Porifera.
Porifera is phylum that includes sponges. <span>Their body is full of holes and it is easily for water to enter and exit these holes. </span>Sponges are commonly used for washing the dishes, but it is most likely that these are artificial sponges. Still, they are made modeled by real sponges. Rarely, the real sponges are used as bath or dish washing.
Answer:
astro,bio,and celluar
Explanation:
there are many diiferent types of scientists