The following are the achievements of the Olmec
civilization:
1.
Water Drainage
-
This civilization was able to construct an
extensive drainage system that is made up of conduits. This was discovered by
the archaeologists in the town of San Lorenzo, the largest city of Olmec
cities. These was carved into a U type shape and covered by capstones. This was
believed to be used as aqueduct to provide water throughout the cities.
2.
Calendar system
-
It was discovered that Olmecs have their own
calendar system. They are using shells to represent numbers in their calendar which
starts with zero. This is one of the first uses of zero as starting point of a
number.
3.
Ulama
-
This is a game of the Olmecs with the objective
of knocking the ball through the hole with the use of hips. The sap of a rubber
tree was utilized to produce balls that was used before.
4.
Writing system
-
They are usually credited as one of those
civilizations to be the first to have their own writing system in America. Their
writing is mostly symbols rather than letter representation.
5.
Compass
-
They are the one to first create compass that
existed in America with the basic understanding of gravity and magnetism.
The us has way more things to help fight such as medicines
Coastlines can convert back and forth among various coastal environments due to plate tectonic processes which can cause the land to rise/sink and sea level to increase/decrease: True.
- Plate tectonic is nothing but a process were both continental and oceanic plates starts drifting and converge or diverge with each other.
due to convergence of plate various landforms are formed such as Oceanic tench, fold mountains, volcanoes, etc .
- convrgence could occur between continent-continent , continent-ocean-ocean an continent-ocean plates.
due to divergence of plate boundaries multiple landforms are formed such as volcanoes , mid oceanic ridge , faulting, etc
due to folding and faulting nature, land gets rise or sink.
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Answer:
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Explanation:
