Answer:
The answer is "3.81041978"
Explanation:
In 1860 
The correct answer is D.
Echo refers to the sound that is heard when a sound wave is reflected back from a surface. An echo sound is made when a sound wave traveled through the air, hit a hard surface and get reflected back. Generally, hard surfaces reflect sound wave while soft surfaces absorb sound waves. Reflected sound waves are used in application of some devices that are used in range and direction finding.
Answer:
the living together in more or less intimate association or close union of two dissimilar organisms (as in parasitism or commensalism) especially : mutualism.
Explanation:
hope this helps!
Answer:
Explanation:
193.02 times 9.55 it's going to be 1843.341
9.55= 191.20 milli
