The earth is always moving so therefore things will shift around.
Answer:
B) Available energy decreases as trophic levels increase.
Explanation:
Each time an organism consumes energy, it absorbs it. When it dies the energy is released and only some of it is consumed the organism that eats the first organism. This continues and by the end there is very little energy left because most of it was released into the world.
I'm pretty sure it would be 50%
Answer: Garbage collection has proven benefits, including fewer memory-related errors and reduced programmer effort. Garbage collection, however, trades space for time. It reclaims memory only when it is invoked: invoking it more frequently reclaims memory quickly, but incurs a significant cost; invoking it less frequently fills memory with dead objects. In contrast, explicit memory management provides prompt low cost reclamation, but at the expense of programmer effort.
Explanation: