1.We have access to space to see it is round
2. We have 24 hour time zones. How could it be noon in one place and midnight in the other?
3.We are able to study lunar eclipses and see how they work (greeks discovered the earth is round with that method.).
4. Why do ships slowly sink into the distance? Exactly
5. Surveying other planets.
Answer:
sea trade
Explanation:
The control of sea trade, the chief source of Portuguese wealth in the East, was assured by the defeat of Muslim naval forces off Diu in 1509.
Portugal's main natural resources include fish, forests (cork), iron ore, copper, zinc, tin, tungsten, silver, gold, uranium, marble, clay, gypsum, salt, arable land and hydropower.
Answer: Spring; Winter
Explanation:
In the United States, tornadoes are most frequent during the <u>spring</u>, and least frequent during the <u>winter</u>.
The Rocky Mountains are described as younger because the Rocky's are really two mountain chains. The older mountain chain started billions of years ago, and the younger mountain chain pushed the older mountain chain up more, only 60 millions years ago.
Answer: The answer is a Dead Zone.
Explanation: