Answer:
B. These Places were once underwater.
Explanation:
The best explanation to the information given is B.
Other options cannot be considered since there are no scientific background for fishes living on land nor fossils causing water evaporation neither fish that climbing mountain.
Answer:
In an interval of 5 minutes, ER has ribosomes attached to it which makes proteins synthesizing in the lumen of the endoplasmic reticulum incorporates proteins in the small transport vesicles.
These vesicles transport and fused to the Golgi bodies where proteins modified which can be seen in 15 minutes in the figure. Then modified proteins are transported from the cell cytosol with the help of secretory vesicle to the extracellular matrix and to the required organs.
