What would be the challenge the framers now faced?

The following five challenges to the future of agriculture and food security exist on almost every continent in one form or another: constraints on resources from fossil fuel to water to phosphorus; land management problems resulting from tillage to monoculture to improper grazing practices; food waste from spoilage to produce culled by retailers; demographic changes; and government policy. This article focuses on the impact that these challenges have upon North America.

PLEASE MARK ME AS BRAINLIEST

because he created electricity

the of atp are the key to its ability to store and supply energy;

phosphate

the phosphate groups of atp are the key to its ability to store and supply energy. atp releases energy when it breaks bonds between its phosphate groups.