Answer:
Answer is true.
Explanation:
A cell membrane is considered as selectively permeable because it controls or regulates the type of molecules that can pass through it. Substances of small molecules are allowed by the cell membrane while substances with large molecules are not allowed to pass through. For example , amino acids and simple sugar can easily pass through the cell membrane while protein and starch can't pass through it.
The cell membrane is considered or described to be boundary or border between the interior part and exterior part of the cell.
Answer:
They will have to study fossils of an area where there were lots of dinosaurs were from
Explanation:
Answer:
The answer should be C: mostly in the 20th century
Explanation: