Discuss Primary productivity is an indicator of how much matter and energy is
available in the producers within a given area. With a partner, discuss the patterns
you see in the map. Why do you think primary productivity is important for the
health of an ecosystem?
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Observation.
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Physics, 21.06.2019 21:00, jjxt126
A150 w lamp emits light of wavelength 590 nm uniformly in all directions. what is the photon flux (photons per unit area per unit time) on a small screen at a distance 2.3 m from the lamp? assume the photons are uniformly distributed over the surface of a sphere of radius 2.3 m.
Answers: 2
Physics, 22.06.2019 14:40, kellypechacekoyc1b3
Asolid cylinder and a cylindrical shell have the same mass, same radius, and turn on frictionless, horizontal axles. the cylindrical shell has light-weight spokes connecting the shell to the axle. a rope is wrapped around each cylinder and tied to blocks of equal masses that are held the same height above the ground. both blocks are released simultaneously. the ropes do not slip. which block hits the ground first? or is it a tie?
Answers: 3
Physics, 22.06.2019 16:00, alecnewman2002
The energy produced as a result of this flow of electrons from atom to atom is called
Answers: 3
Discuss Primary productivity is an indicator of how much matter and energy is
available in the pro...
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