The Mohs scale measures D, a mineral's hardness.
I believe the correct answer would be B. Semipermeable means that it allows certain substances to pass through, and certain other ones to not pass through. So given all of your options, I would say that B makes the most sense. Hope this helped!
-TTL
Answer should be death rate
<span> Location B, because it receives sunlight at a smaller angle than location</span>
