The heart’s electrical system is responsible for making and conducting signals that trigger the heart to beat. These signals cause the heart’s muscle to contract. With each contraction, blood is pumped throughout the body. This happens 24/7 without us having to monitor it all the time so that our heart does not stop.
On land but close to oceans. Thus, option "A" is correct.
<h3>What is an earthquake?</h3>
Earthquakes occur as a result of collisions along oceanic-continental convergent boundaries.
The majority of the earthquakes occur alongside the Ring of Fire of the Pacific Ocean. The Ring of Fire is found in the basin which is a land area found close to the coastlines of the ocean. This validates its occurrence on land but close to the oceans.
Thus, option "A" is correct.
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Therefore, in Doppler Effect only the frequency and wavelength are changes and the wave speed does not change
<span>Persentase oksigen di udara di dua mil (3,2 km.) Pada dasarnya sama dengan di permukaan laut (21%). Namun, tekanan udara adalah 30% lebih rendah pada ketinggian yang lebih tinggi karena fakta bahwa atmosfer kurang padat - yaitu, molekul udara yang jauh apart.When kita menghirup udara di permukaan laut, tekanan atmosfer sekitar 14,7 pounds per square inch (1,04 kg. per cm.2)
(i speak indoinision to)
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