Which of Newton's laws state that an object's acceleration is directly related to the net force applied and inversly related to the mass

Much of the general structure and physical properties of the interior of the earth are inferred from: a)deep oil and gas bore holes b)geologic investigations c)analysis of seismic waves d) study of volcanoes

Water's surface tension and heat storage capacity are accounted for by its a) orbitals b) weight c) hydrogen bonds d) mass e) size

I’m an electrically neutral atomic any element, there are equal numbers of