Answer: The choice of a submarine to either sink or float depends on the captain of that submarine. For a submarine to sink the captain just have to allow water to fill the water tank (lock), making the submarine more dense than the water it has displaced. For it to float, it just have to empty the water tank and allow air to fill it.
When a boat in a canal lock sank, the water level will rise, because the volume of the boat has displaced more water, and this displaced water will cause the water level to rise. The space occupied by an object in a water, is equal to the volume of water been displaced.
Answer:
The two types of loans available are Secured loans and Unsecured loans. They differ from one and other due to a secured loan being one that requires you to offer something of value, such as your car or the home you reside in, which you will lose if you cannot pay off the loan. Whilst an Unsecured loan is when the lender does not require you to put down collateral to take out the loan. The lender trusts that you will pay them back, through a bank, credit union, or online lender. If you don’t pay the money back, the lender must go to court to get their coinage.
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Answer:
If a parent sees a little girl consoling her teddy bear and says “what a kind girl you are,” this is rewarding for the child and makes it more likely that she will repeat the behavior. Her behavior has been reinforced (i.e., strengthened). Reinforcement can be external or internal and can be positive or negative.
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The answer is prejudice against a people who were from an
enemy nation. Because of the attack on
Pearl Harbor, many Japanese citizens were rounded up and sent to internment
camps. Despite the interment, many Japanese Americans enlisted in the U.S. army
to prove their loyalty as many fought in Europe and distinguished themselves.
