Nickel-iron alloy would most likely be a major component of which layer of the Earth? A) inner core B) atmosphere C) mantle D) crust E) outer core

The use of fertilizer on a large farm would have the largest effect on which of the following? rate of photosynthesis in local plants amount of smog in the lower atmosphere rate of anaerobic respiration in aquatic bacteria extent of eutrophication in nearby water bodies rate of evapotranspiration from surrounding area