Canada, Mexico, and the United States
Answer:
thanks for 50 points
well that's from goo gle
Explanation:
Arable land is defined by the Food and Agriculture Organization of the United Nations (FAO) as land under temporary crops (double-cropped areas are counted once), temporary meadows for mowing or for pasture, land under market or kitchen gardens, and land that is temporarily fallow; From: Land Restoration, 2016.
Consisting of Lakes<span> Superior, Michigan, Huron (or Michigan–Huron), Erie, and Ontario, they form the </span>largest group of freshwater lakes<span> on </span>Earth<span>, containing 21% of the </span>world's<span> surface </span>fresh water<span> by volume.
Hope This Helps!</span>
Answer:
a. They must be present in a large geographic area.
Explanation:
Index fossils can be used to determine the age of a rock strata with great precision, but they must be scattered over a large geographic area to be able to be used reliable for this type of measurement. Index fossils typically indicate a certain type of paleoenvironment belonging to a very specific prehistoric period and their formation coincides with the age of the rock layer.
Answer:
inner core- solid hot rock
outer core- magma that suronds the inner core
