Answer:
Kartegener's disorder
Explanation:
The respiratory tract has cilia which move. Sperms also have a tail that moves. They both have the same protein in their structure called microtubules. There is a disorder in which there is the absence of a part in the microtubule. Dynein arms absent in microtubules. Because the respiratory system and sperm both contain cilia that's why these two systems have a connection and not work properly.
The third one.……...................
Answer:
D
Explanation:
D is the only option where the cause of the pollution is not something man-made.
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Okay the primary determining <span> factor would be the concentration.
Well, </span><span>Factors Affecting the Rate of Diffusion Size Small molecules can slip by </span><span><span>the polar heads of the phospholipids and through the membrane to the other side. </span> </span>