The physical systems of the earth include the lithosphere, the hydrosphere, the atmosphere and the biosphere.
The hydrosphere consists of the earth's water. Approximately 70% of the earth's surface is water. It is found in oceans, lakes, rivers ponds, ice and ground water.
The Lithosphere consists of the solid surface that covers the Earth. Features such as hills, mountains, plateaus, plains and ocean basins are land forms covering the lithosphere.
The atmosphere consists of the thin layer of gases that surround the earth and rises up to 100 miles from the earth's surface, beyond which is outer space.
The biosphere consists of all things living on the surface of the earth and includes animals and plants.
Answer:
the answer is 8, you're welcome!
Explanation:
A. - Although it is true that there is a land border of 360kms between both nations, it is almost invisible, since none of the countries practices strict border control, although both are fully entitled.B. - The border has affected positively because it gave the inhabitants of the Republic of Ireland the geographic autonomy and powers they always wanted. a negative aspect is that the inhabitants of the Republic of Ireland had to cross Northern Ireland to reach the north-western coasts of the island, and this once bothered Northern Ireland, but over the years agreements have been reached to ease the border crossing.
The Mantle.
The crust is the outside land part, the mantle is the lava part that the crust floats on, and the outer and inner core are more solid metals.
Answer:
twelve months
Explanation:
a revolution is a full loop around the sun. An if you had any brains. Just kidding. it takes a whole year-twelve months-to go around the sun