Examlex
After reading the paragraphs below, answer the questions that follow.
Bats and marine mammals are well-known examples of animals that produce high-frequency sound waves beyond the range of human hearing. The high-frequency waves are used for echolocation, the process of emitting high-frequency sound waves and using both the time it takes for the waves to bounce back to the caller and the direction from which the waves return to the caller to locate distant objects. Research has shown that bats can send and receive sounds as high as 100,000 Hertz (Hz) .
On the other hand, several mammals, such as elephants and whales, produce extremely low-frequency sounds. Elephant calls range from 5 to 50 Hz. Low-frequency sounds have long wavelengths, which means they are less likely to be distorted or interrupted by features in the environment. In favorable weather conditions, low-frequency sound waves can be transmitted over several kilometers.
-What advantage does the extended hearing range of elephants provide?
Credit Terms
The conditions under which a seller will extend credit to a buyer, including the repayment period, discount for early payment, and the rate of interest if applicable.
Discount
A reduction applied to the usual cost of goods or services or the process of determining the present value of future cash flows.
Net 45
A payment term indicating the buyer must complete payment within 45 days from the invoice date.
Break-Even Point
The point at which total costs and total revenues are equal, meaning there is no net loss or gain.
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