Which of the following is an oxidation-reduction reaction? fe2o3 + 3co right arrow. 2fe + 3co2 cuso4 + 2naoh right arrow. Cu(oh)2 + na2so4 2naoh + h2co3 right arrow. Na2co3 + 2naoh pb(no3)2 + na2so4 right arrow. 2nano3 + pbso4.

Can you send me the answer for q11,12,13,14,am sorry it’s science

Victor is concerned about his constant impulsive tendencies. he thinks something must be wrong with him. what is a healthy action victor could take? take some of his friend's add medication to see if it . follow what his friend tells him he needs to do to solve his feelings. listen to a mental health professional who can guide him through his troubles. diagnose himself and take some natural supplements.

Saul reaches out to grab a pot of boiling water and something in his body sends a sensation to his brain to warn him of the heat coming from the handle. what organ is responsible for protecting saul from the heat?