Answer:
Wind speed is measured by using anemometer and wind direction is measured by using Wind vane.
The answer is 2 . 6-4= 2 3-2=1. 2/1=2
According to one hypothesis, life on earth emerged from (bluegreen algae/ amino acids/ molten metals/ crustal rocks) in the presence of large amounts of gasses seeping from deep ocean vents. ANother process called primordial soup suggests that the formation of life was due to the effects of (lightning/sunlight/gravity/meteorites) in earths atmosphere.
Compasses, rock hammer, field books, hand lenses, maps,
Explanation: all the continents on Planet,'Earth':
1. Africa,
2.south America,
3.Antarctica,
4. Asia,
5.Australia,
6. Europe.
7.north America
