Question 13 (1 point)   water is formed when two hydrogen atoms bond to an oxygen atom. when a substance is made of two or more atoms like this, we call it an element a compound. a mixture. a complex

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

650.j is the same amount of energy as? 2720cal1550cal650.cal2.72cal

An atomic nucleus is composed ofa)protons.b)protons and neutrons.c)protons and electrons.d)protons, neutrons, and electrons.