Answer: 40.43% increase (rounded)
Explanation:40.42553191489361% increase
Mountain chains and river systems generally run North-South throughout the continent thus making for formidable barriers to East-West expansion.
Answer: Antarctica
Explanation: According to NOAA.com "What we call the ozone hole is a thinning of the protective ozone layer in the stratosphere (the upper layer of Earth's atmosphere) above Antarctica that begins every September. Chlorine and bromine derived from human-produced compounds are released from reactions on high-altitude polar clouds."
Answer:
lithosphere
Explanation:
Tectonic shift is the movement of the plates that make up Earth's crust. The Earth is made up of roughly a dozen major plates and several minor plates. The Earth is in a constant state of change. Earth's crust, called the lithosphere, consists of 15 to 20 moving tectonic plates.
