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Leno4ka [110]
3 years ago
5

Which best describes the pericardium?

Biology
2 answers:
MrRissso [65]3 years ago
8 0

Answer:

The answer is C on edge, a sac around the heart that protects the heart and chest tissue.

Explanation:

I just did the test

Novay_Z [31]3 years ago
6 0

Answer:

c

Explanation:

The pericardium is a thin sac that surrounds your heart. It protects and lubricates your heart and keeps it in place within your chest

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Explain why the metric system and si are important​
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Answer:
In simple terms, the metric system (which is the same as SI) is important because it's more coherent than the imperial system.

Explanation:

The metric system is far more used worldwide compared to the imperial system, where the imperial system is only officially used in three countries (U.S, Liberia, Myanmar).

There are multiple reasons why the metric system is important, but the most critical reason is that it's very easy to understand pertaining to calculations. The measurement system of SI is <em>designed</em> to make measurements/calculations easy to perform and understand. This is why scientists prefer using the metric system over imperial.

You can make some small comparisons:

--> Metric is consistently based on decimal numbers, while imperial uses different number systems (base 3, 8, 12, 14, 16, etc.,)
--> Metric works well with percentages, while imperial does not
--> Metric units are the same internationally, while some imperial units differ (i.e different pints, gallons, tons, etc.,)

There are fewer, simpler measurements in the metric system as compared to imperial where calculations start to get overcomplicated due to the amount of measurements/units in the system.

In layman's terms... metric is a boat on smooth water with perfect weather, while imperial is a boat on rough waters during a storm.

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