Answer:
Wegener suggested that perhaps the rotation of the Earth caused the continents to shift towards and apart from each other. (It doesn't.) Today, we know that the continents rest on massive slabs of rock called tectonic plates. The plates are always moving and interacting in a process called plate tectonics.
Explanation:
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The right answer is
C (see the images):
An organism is
heterozygous for a gene when it has
two different alleles of that gene on the same locus for each of its
homologous chromosomes.An allele is a variable version of the same gene or genetic locus, that is to say, a varied form that can be distinguished by variations in its nucleotide sequence.