Manganese is a transition metal. consider the isotope: mn-51. how many protons are in an atom of mn-51 if the atom has a charge of +1?

Aradio signal from a gps satellite take only about 0.067 seconds to reach a gps reciever. if the speed of light is about 300,000km/s, then approximately how far away is the reciever from from the satellite?

George is a dalmatian puppy. describe what happens to light that allows you to see george’s black and white coat.

7. in the cycle, a virus integrates its dna into the host's dna, and its dna is replicated when the host dna is replicated. a. infectious b. retroviral c. lysogenic d.lytic