Identify the following particles A, B, C as having a positive, negative or neutral charge. Which of the following statements is true? A. An object that is positively charged contains all
neutrons and no electrons.

B. An object that is negatively charged contains an equal
amount of protons and electrons.

C. Neutral objects contain equal amounts of positively
and negatively charged particles

D. All objects are neutral 99% of the time.

sonar - device which is used to find the submit submarines, sankalp ship. sonar waves consists of a transmitter and detector which are installed in the observation centre on board of a ship. the ultrasonic waves are sent into the sea at high frequency about 1000 khz in all direction.

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the answer is false. this is because for ice to melt, it requires latent heat of melting. latent heat means heat energy required to change phase without any increase in temperatures. therefore, the ice will take energy from the environment to melt hence atmospheric temperatures will reduce.