Light can penetrate to only a depth of between 50 and 100 m in most ocean water. what effect does this have on the water's oxygen concentration? explain.

What happens whenever a net force acts on an object

Which is not a likely outcome after extensive irrigation of dry farmland? useless, unproductive soil salinization of the soil depletion of groundwater nutrient-rich soil

Which best describes this behavior? it is beneficial only to the males that do not fertilize eggs. it is beneficial only to the female workers that are not fertilized. it is beneficial to each one of the individual colony members. it is beneficial to the whole species, but not to all of the individual members.