Answer:
Abiotic factors include water, sunlight, oxygen, soil and temperature.
The nucleolus disappears. Centrioles begin moving to opposite ends of the cell and fibers extend from the centromeres. Some fibers cross the cell to form the mitotic spindle. The nuclear membrane dissolves, marking the beginning of prometaphase.
The earliest of civilizations were based around river valleys. This allowed them to irrigate fresh water to their crops allowing for better farming and therefore, bigger and better civilizations.
Answer:
Volcanic rock, quartz, and sandstone.
Explanation:
It was and still is the Hindu Kush Mountains. Stretching about 500 mi across.
