At what speed v should an archerfish spit the water to shoot down an insect floating on the water surface located at a distance 0. 800 m from the fish? assume that the fish is located very close to the surface of the pond and spits the water at an angle 60∘ above the water surface.

Which number is main idea? i need answer quick. (1) people may think that love and romantic feelings are enough of a basis for choosing a spouse. (2) the chances of a marriage surviving, however, would improve if prospective marriage partners considered a few unromantic questions before deciding on matrimony. (3) for example, do the two individuals involved share a common socioeconomic background? (4) the more similar they are in their social, economic, religious, and cultural backgrounds, the more similar their expectations about married life will be. (5) in addition, what are their goals? (6) it’s a big advantage to the marriage if they know and share one another’s goals concerning career, lifestyle, and family. (7) finally, and maybe most important, how does the prospective spouse treat others in his or her life? (8) during the courtship, the boyfriend or girlfriend may get special consideration, but in the long run, spouses will probably treat each other about the same way they treat their own family members.

Darwin studied two different types of tortoises on the galapagos islands. sort the characteristics based on which tortoise they describe.

Ricks boss often appriciates him for his work.how is rocks boss affecting his proformence