Afossil evidence has revealed that prehistoric dragonflies could be as much as 10 times the size of the dragonflies existing today (the linear dimensions of the prehistoric draglonfly were 10 times that of existing dragonflies). the modern dragonfly sympetrum sanguineum has a typical mass of 125 mg. what was the mass of the prehistoric dragonfly?

How is acceleration calculated? a. initial velocity - final velocity / timeb. initial velocity + final velocity / timec. final velocity - initial velocity / timed. final velocity / timele select the best answer from the choices provided0oood00save and exitnextmark this and return

The transfer of heat through the movement of a gas or liquid a. convection b. conduction c. radiation

Amoving company collects data about couches they move and displays the data in a table. the force along the ramp, the angle of the ramp, and the height the couch is raised to are shown. which statements correctly compare the work done to move the couches? check all that apply. the same amount of work is done for couches 1 and 3. the same amount of work is done for couches 2 and 3. the work for couch 1 is greater than the work for couch 2. the work for couch 2 is less than the work for couch 3. the work for couch 3 is greater than the work for couch 1. the work for couch 2 is greater than the work for couch 1.