How has sonography helped advance medical science? by promoting healing of injured tissues
by viewing organs that could not be seen during surgery
by detecting normal or abnormal conditions without surgery
by reducing the time it takes to become a doctor

costa rica canal

explanation:

because the two particles have an equal charge, the charges will cancel out and give the atom an overall charge of 0. so, if at atom has 35 protons in the nucleus, we could expect it to have 35 electrons orbiting that nucleus.

answerthe above statement is correct(true)

helen told me that she hoped i had enjoyed myself.