Because of the soil the rocks are in. If They stayed in that soil for a while which affected the compounds, shifting the mineral composition.
Answer:
Its a substitution mutation because one of the specific base, G is replaced by A.
This is a Point Mutation because Point mutation brings changes in the structure of a gene because of the substitutions with another base pair. Like in this case, G is substituted by A. In case of frameshift mutations, there is a change in the number of nucleotides due to either insertions or deletions of the nucleotides, which is not in this case.
None of the above... Ingumentary system is the one that regulates body temperature. The ingumentary system is skin, hair , sweat glands and nails
<span>In order for the muscle fatigue to end the muscle cells must be provided with oxygen to 'burn' the lactic acid.
Hope this helps!
-Payshence xoxo</span>