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Answer:
Van Helmont - He concluded that trees gain most of their mass by absorbing water
Priestley- He found out that plants release oxygen
Ingenhousz- He concluded that plants needs sunlight to produce oxygen.
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Answer:
Tools And Equipment Found With Ötzi. Ötzi carried some of his tools in his leather belt which had a pouch sewn into it. At the time of his recovery, this belt pouch contained a drill, a flint, dried fungus, a bone awl and a scraper- all tools that would have been useful both in trade and in everyday life.
Explanation:
The insides were blackened and contained plant remains leading to the conclusion that the containers were used to keep a fire alight. (South Tyrol Museum of Archaeology) Stone Disc - Circular piece of Dolomite marble with a hole in the center threaded onto a strip of hide leather tassel.
Answer:
Mercator invented his map projection primarily for navigation. If you draw a straight line between two points on a map created using the Mercator projection, that line represents the direction you need to sail to travel between the two points. This type of route is called a rhumb line or loxodrome.
Explanation: