Using the Universal Gratitation Law, we have:
Again applying the formula in the new situation, comes:
Number 4If you notice any mistake in my english, please let me know, because i am not native.
The answer will be B) Meter
Answer:
Adsorption
Explanation:
Sidewalk cooking of egg is very popular in America. In summer people release fireworks in night sky and cook egg on the concrete sidewalk to check the level of temperature. When sunlight fall on the sidewalk most of the light is reflected back but some darker material adsorbs some photon, and when these photons are transferred to egg molecules it causes vibration among them and produce heat and cook egg.
The trachea allows for the passage of air, and the esophagus allows for the passage of food
Answer: Option D.
<u>Explanation:</u>
The trachea and the esophagus are not the same. The former is related with the respiratory system which is related with breathing while the latter is related with the digestive system.
The trachea connects the upper airways to the lungs for the passing of the air but the esophagus is related with the passage of the food connecting the mouth with the stomach.