1. Calculate the molecule fraction at 650K and 800K when the activation energy, Ea,
(a) 15 kJ mol
(b) 150 kJ mol
(c) 300 kJ mol​

The focal length of a relaxed human eye is approximately 1.7 cm. when we focus our eyes on a close up object, we can change the refractive power of the eye by about 16 diopters. (a) does the refractive power of our eyes increase or decrease by 16 diopters when we focus closely? explain. (b) calculate the focal length of the eye when we focus closely.

Select the correct answer. what does the process of natural selection involve?

Will mark brainliest! asap! ! 16) which of the clouds shown would indicate a possible future rain storm? a) b) c) d)