Look up Dawrin's theory of evolution. Basically, fossil records show how life forms change over time through evolution.
Isotopes are variants of a particular chemical element which differ in neutron number (neutral particle)and all isotopes of a given element have the same number of protons (positive particle) in each atom.So isotope B of the sodium will have 11 protons, 11 electrons but it may have a wide range in its number of neutrons.
Forage crops. pasture crops. Peas, peanuts, or corn is an example of such crops. ... mainly protects other crops during their early days
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The term "epoch" is normally used to define a specific era or period of time in one person's life, which is typically noted by specific important or memorable events.
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