Which steps are important when designing and conducting a scientific experiment

What is the difference between how ionic and covalent bonds form

One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing

Why does miranda have that particular vision of dr hildesheim answer?