What is the simplest way for phosphorus to gain a stable octet?

gain 3 electrons

lose 3 electrons

lose 5 electrons

gain 5 electrons

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

Which description shows competition in an environment? an organism that feeds on some food an organism that finds a place to sleep three organisms of the same species living in an area three organisms battling over limited resources

What is the difference between hypothesis, theories, laws, and observations?