How is the egg transferred from the ovary to the uterus?

through muscle contractions
by using special hairs
by producing estrogen
through secretions of glands

Describe the interaction that occurs between two objects with the same electrical charge.

An atom's configuration based on its number of electrons ends at 3p4. another atom has seven more electrons. starting at 3p, what is the remaining configuration? 3p63d34s2 3p43d54s2 3p64s23d3 3p44s23d

Answer asap : ( a. how does mucus prevent the entry of pathogens? b. describe two ways white blood cells protect us from pathogens.