Answer: The beginning stage you decide to depict the area, or position, of an object.
Explanation: starting point or position
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:
by adding water into the mix
Explanation:
this will dissolve the salt
Ill say <span>calcium hydroxide but hope this helps :)</span>