Answer:
- He can only catch old fish (past the reproductive age).
Explanation:
As per the given description, the strategy that the commercial fisherman can employ to ensure the sustenance of population of tuna fishes in long-term would be 'catching only the old fish past their reproductive age' as it would give time and space to tuna population present in the water to reproduce and multiply its population in the meantime. This technique is recognized as 'purse seining' where the fisherman would target the old fishes and reduce the bycatch of tuna fishes so that its over-exploitation could be held for a while and give them required time to regain their population.
Answer:
Un tipo de glóbulo blanco llamado linfocito reconoce el antígeno como extraño y produce anticuerpos que son específicos para ese antígeno. ... Los glóbulos blancos también pueden producir sustancias químicas llamadas antitoxinas que destruyen las toxinas (venenos) que producen algunas bacterias cuando han invadido el cuerpo.
Explanation:
Cash crops are an essential part of sustainable intensification as income generated with cash crops provides farm households with means to save and invest in a more productive farm, and cash crops may have a catalytic effect on agricultural innovations as they add value and productivity in rural areas.
Answer:It's B, C, and A
Explanation:Sharecropping sounded a lot better than it really was, it hurt the freed slaves more than helped them in the long run.