<span>When the marginal benefit of applying additional fertilizer will no longer be greater than the marginal cost of the fertilizer, the marginal costs would equal or exceed the marginal benefits from enhanced growth. It will result into shortage of additional fertilizer thus it will only pay for the exact number of fertilizers needed. There are no longer extra fertilizer that can be used for emergencies.</span><span />
Answer:
it represents in the first one
Answer:
d!
Thought I'd add it on here too. :)
Feudalism was created by the Frankish king Charles Martel.
