Why can't you feel the force of attraction between you and mars?

What are the charges of the subatomic particles by choosing the answer from the drop down menu. protons have a (+1,0,or-1). (protons, neutrons, electrons) have a 0 charge. 3.) electrons have a (+1,0,-1)

Neils bohr believed that electrons orbited the nucleus in different energy levels, based on strong support from

Chromosome 17 is made of over million base pairs.