The correct option is B: MAJOR DIVISIONS IN THE SEDIMENTARY ROCK LAYERS.
Geologic time scale refers to a system of chronological dating which relates geological strata to time. Geologic time scale is used by scientists to describe the timing of the events that had occurred in the past, thus the scale divides the earth history into units of varying magnitude. There are four basic block of time, these are eons, eras, periods and epochs.
In determine geological time, rock records provide evidence of past geological events and life forms.
Cell wall and chloraplast!
THAT IS THE ONLY TWO!
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Jojo
In chemistry, a valence electron<span> is an </span>electron<span> that is associated with an atom, and that can participate in the formation of a chemical bond; in a single covalent bond, both atoms in the bond contribute one </span>valence electron<span> in order to form a shared pair.</span>
Answer:
asexual reproduction - because the plant is producing little copies of itself.
Explanation:
In asexual reproduction, one or more new freely existing organisms arise from a single parent without fertilization. All the descendants of an asexually reproducing individual are the same genetically and are referred to as a clone.