Describe the concept of orbital motion as it relates to the earth., moon and sun

Explain vector addition, triangle method and parallelogram method

The precision of a laboratory instrument is ± 0.05 g. the accepted value for your measurement is 7.92 g. which measurements are in the accepted range? check all that apply. 7.85 g 7.89 g 7.91 g 7.97 g 7.99 g

How are positive ions different from neutral atoms