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<span>An oxidation-reduction (redox) reaction is a type of chemical reaction that involves a transfer of electrons between two species. An oxidation-reduction reaction is any chemical reaction in which the oxidation number of a molecule, atom, or ion changes by gaining or losing an electron.</span>
Answer: C) Reproductive system
Detailed Explanation:
Reproduction is not considered a life process because it is not necessary to maintain life. Hence, the reproductive system is not important for an individual’s survival but is important for the continuation of that species, may it be human or any other organism.
Answer:
The sternum may suffer a fracture
Explanation:
The sternum is not all solid bone, it has a section of cartilage at the tip as it approaches the abdomen. Therefore it is easy for it to be fractured if pressure is exerted below the line marked by the two nipples, which is a place where it is strong enough to be safely pressed by the heel of the hand.
