Scientists use fossils to study earth history by identifying the fossil and what era it came from. By knowing what era the fossil came from and what location it was found, scientists can make assumptions about the earth formation at that time.
To feed nutrianse to the baby. whe the mother eats that goes to the umbilical cord and gives it nutriance
Answer:
The three principal shapes associated with epithelial cells are—squamous, cuboidal and columnar. Squamous epithelium has cells that are wider than their height (flat and scale-like).
but where is the options?
