Susie rubbed the plastic wand with a silk cloth. she brought the wand close to the top of the electroscope. note what happened when she did this. how did susie make the initial static charge that started this process?

You can estimate the degree to which a bond between two atoms is ionic or covalent by calculating the

Name three populations commonly found in a prairie system

Estimate the kinetic energy of the neptune with respect to the sun as the sum of the terms, that due to its daily rotation about its axis, and that due to its yearly revolution about the sun. [assume the neptune is a uniform sphere with mass = 1.0×1026 kg , radius = 2.5×1010 m , rotation period 16.1 h , orbital period 6.01×104 d and is 4.6×109 km from the sun.]