Answer: Sea-floor spreading — In the early 1960s, Princeton geologist Harry Hess proposed the hypothesis of sea-floor spreading, in which basaltic magma from the mantle rises to create new ocean floor at mid-ocean ridges. ... A test of the hypothesis of sea-floor spreading was provided by studies of the Earth's magnetism.
Answer:
Most of the world's population live in areas with insolation levels of 150–300 watts/m2, or 3.5–7.0 kWh/m2 per day. Solar radiation is absorbed by the Earth's land surface, oceans – which cover about 71% of the globe – and atmosphere.
Answer:
Look for food, water, shelter, and heat. Food: look for game, or plants that have edible fruit/veggies. Water: look for a fast moving stream or river. Shelter: look for a cave/overhanging rocks, or build one. Heat, build a fire.
Explanation:
Answer but u have to do the examples by ur self