<h3>Ionisation energy:-</h3>
Ionisation energy is the minimum amount of energy required to remove the most loosely bound electron, the valence electron, of an isolated neutral gaseous atom or molecule...
The waters of the Gulf of Mexico looks brown because of the sediments coming from nearby rivers. It is basically an ocean basin, so it receives waters from different bodies of water. These sediments come from decayed matter like rocks, aquatic plants and wastes from aquatic organisms. It can harm freshwater fishes but some plants could thrive in that condition. As for humans, it is not safe to drink the water with high turbidity. The water is deemed not potable because it might contain harmful bacteria that could lead to digestive diseases.
The answer I believe is c.secondary
Answer: The bacteria gets released into the air by someone who already has the TB bacteria in their body.
Explanation: Tuberculosis is spread from one person to another through the air. When a person with TB of the lungs or throat coughs, sneezes, sings or talks, droplets containing the bacteria are released into the air.
Hope this helped <3
Macula is the part of the eye that focuses image
