Transporting substances in a cell. proteins are transported either in or out of the cell.
Sea Floor Magnetism, Fossil Evidence, <span>Distribution of volcanoes and earthquakes on the globe </span>and Continental drift.
Answer:
Because this person exists
Explanation:
The porcupine is a rodent with an unusual trait. Porcupines have sharp spines or quills that help protect it against its predators. This trait is different from other rodents because of its needle like quills. This animal is also similar to that of a hedgehogs.