Radioactivity due to heavy elements
Friction caused by earths fast rotation
The answer to the question above is a cell.
The inner planets (in order of distance from the sun, closest to furthest) are Mercury, Venus, Earth and Mars.
Answer: Phenotype= the set of observable characteristics of an individual resulting from the interaction of its genotype with the environment.
Genotype= In a broad sense, the term "genotype" refers to the genetic makeup of an organism; in other words, it describes an organism's complete set of genes. Humans are diploid organisms, which means that they have two alleles at each genetic position, or locus, with one allele inherited from each parent.
Explanation:
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