Answer:
A condition necessary for evolution to occur is that a parent plant produces more offspring than can normally survive. ... A condition necessary for evolution to occur is that the traits of the "fittest" phenotypes that survive are inherited by the successful progeny. The offspring must tend to resemble their parents.
Explanation:
Among these options, the one which is the broadest group used to classify organisms is D. class.
Although it is not the broadest group ever phylum and kingdom are above it), it is the broadest one here.
Continents move because the earths plates keeps pushing against eacother and over
Answer:
A polar molecule is a molecule that has a positive and negative charge at either end.
Explanation:
The valence electrons determine the group the elements belong in the periodic table. For example, the element sodium, Na, has a valence electron of one and so it belongs to Group 1 in the periodic table. Another example is Aluminium, Al, which has a valence electron of three and therefore it belongs to Group 3 in the periodic table.