the correct answer is 1. Chemical energy is converted to mechanical and heat energy.
When the boy eats apple, the chemical energy of the apple first converted in the heat energy in the process of digestion, which maintains our body temperature, than the body of the boy converts the heat energy into mechanical energy.
Therefore the correct option is 1.
Answer:
Mars- Sun
Asteroids- Sun or Planet
Moons- Planet
Uranus- Sun
Neptune- Sun
Mercury- Sun
Comet- Sun or Planet
Human made satellites- Planet
Venus- Sun
Earth- Sun
Saturn- Sun
Jupiter- Sun
Answer:
The health hazard of directly going to these places to take direct readings and observations.
Explanation:
The Chernobyl accident was a catastrophic radioactive accidents, with an immediate fatal effect on some victims (mostly firemen and law enforcement officers). Scientists investigating the effects of the radiation left on the venues of the accident face a health risk if they intend to carry out a full scale on-field testing and experiment. Some of the relocated occupants of these places, that have long been relocated, have shown some health effect of the radiation. And scientist studying and working on these places for too long stand a risk of developing health complications if they are exposed to the radiations for too long.
This is the open switch 2 cells connecting wire and bulb
Answer:
77.14 kg
Explanation:
P.E = mg h
2268 = m * 9.8 * 3 m = 77.14 kg