<span>Submarines are equipped with water tanks called ballast tanks that fill up to submerge the vessel. Emptying the tanks and filling them with air causes the submarine to surface.</span>
Answer:
answer will be c: 1.5 seconds :)
High density
random words to fill up 20 character minimum for answering questions :P
C) In the absence of an unbalanced force, an object at rest will stay at rest and an object in motion will stay in motion.
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The equator has no continental borders.