Why might a plant that normally grows in one environment not grow well in a different environment ?

What is the relationship between the wavelength of a wave and it's energy?

Which of the following are guidelines to follow for obtaining accurate observations

Point charges q1 = 51 µc and q2 = −27 µc are placed 1.0 m apart, with q2 on the right. what is the force (in n) on a third charge q3 = 19 µc placed midway between q1 and q2? (assume the positive direction is to the right. indicate the direction with the sign of your answer.)