Physical weathering works with mechanical forces, such as friction and impact, while chemical weathering takes place at the molecular level with the exchange of ions and cations.
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There are often not more than one or two independent variables tested in an experiment, otherwise it is difficult to determine the influence of each upon the final results. There may be several dependent variables, because manipulating the independent variable can influence many different things.
Answer:
the answer is B rectus abdominis!!! i hope this helps
Explanation:
Apparently it is caused by the sex hormones, testosterone, and oestrogen. there. that is the chemical reaction of lust.