Answer:
<u>geologic unit</u>
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When reading a geologic map, rock units are labeled with letter codes. The first upper-case letter indicates <u>age of the geologic unit</u>, while the following lower case letters represent <u>geologic unit's name or the type of rock of which it is comprised.</u>
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Explanation:
Geologist have divided the history of the earth into 4 main periods of time; the Eons, the Eras the Periods and the Epoch. On a geological map, an initial capital letter is usually followed by one or more lower case letters while the lower case letters indicate either the name of the unit, if it has one, or the type of rock, if the unit has no name.
Because gm crops can't replace everything. yes even they can make a better species and increase the productivity, but some countries or farmers might not have the technology to replace all the crops with gm crops, and they still have to rely on chemical fertilisers. chemical fertilisers can be deadly as if u overuse them, it can pollute the water and leading to euthrophication, where it can kill sea animals
Well to start off on a graph the x goes left and right and the y goes up and down. you always read coordinates (x,y), so -4 needs to go left and make -6 and the 2 needs to go up making 4 so your new coordinates are (-6,4)