Evan decides to test his prediction that seeds grow better in the dark. he has gathered seeds and put them on damp paper towels. which of the following would be the best way for evan to test his prediction?

How do we measure or think of speed in the united states?

At 20∘c, the hole in an aluminum ring is 2.800 cm in diameter. you need to slip this ring over a steel shaft that has a room-temperature diameter of 2.804 cm . 1. to what common temperature should the ring and the shaft be heated so that the ring will just fit onto the shaft? coefficients of linear thermal expansion of steel and aluminum are 12×10−6 k−1 and23×10−6 k−1 respectively.

Is there a point between a 10 nc charge and a 20 nc charge at which the electric field is zero?