Nsci 115 - Study guides, Class notes & Summaries

What particles are found in an atom? - Protons, neutrons, electrons What is a covalent bond? - Shares electrons What is an isotope? - Same number of protons, different number of neutrons What are the physical properties of minerals? - Luster, hardness, crystal form, cleavage, streak, color What is the definition of a mineral? - Inorganic, naturally occurring, crystal form, solid, definite chemical composition

Currently the human population on the Earth is closest to _______ billion - 6.4 Select the example of an exponential growth rate of number - 1-3-9-27-81 The lag phase of population growth is _____ - slow the exponential phase of population growth is _______ - rapid The worldwide human population size around 1650 was about ________ - 500 million The worldwide human population size around 1750 was about - 700 million The worldwide human population had passed 1 billion by about ________ - 180...