Question: how can dead zones be reduced without hurting the livelihoods of the farmers upstream along the rivers?

Describe characteristics of a good respitory surface

Fossils of ancestors of the modern horses show a small 4-toed almost dog-like browsing animal named eohippus over time the horses got larger lost toes and changed to a grazing diet what is the best explanation of why this change occurred

How did the work of farmers and breeders in england influence the work of charles darwin