Which of the following factors would help improve the water quality in a watershed? 1. responsible use of industrial chemicals
II. reduction of the amounts of fertilizers and pesticides used on farmlands
III. decrease in sewage discharge into lakes and rivers
Select one:

I and II only

I only

II and III only

I, II, and III

the bald eagle got 50 because everything gets 10% of what they consume and since 50 is ten % of 500 hundred that means the   grasshopper had to have consumed a plant with 5,000 calories of energy

he forelimbs below belong to four species that descended in a direct line from the ancestral mammal shown above. of the four descendants shown, which species most likely appeared earliest in evolutionary history?