Answer:
Opticians typically have a high school diploma or equivalent and receive some form of on-the-job training. Some opticians enter the occupation with an associate's degree or a certificate from a community college or technical school. About half of the states require opticians to be licensed.
El Nino refers to the phenomenon where the East Pacific Ocean is anomalously warm. This condition produces wet weather to the western countries of south America. Under normal conditions these areas are dry. El Nino also decreases rainfall and hurricane activity in the Atlantic and Caribbean region. Severe droughts will persist when this occurs. La Nina occurs when the temperature of the pacific is cooler than normal. When is occurs The Caribben and Atlantic experiences higher than normal rainfall and the South american coast is drier.
Answer:
The correct option is: protons; electrons
Explanation:
The electron transport chain contains a series of biomolecules that are involved in the transfer of electrons by redox reactions.
This process involves the transfer of electrons from an <u>electron donor molecule to an electron acceptor molecule</u>, resulting in the <u>release of energy.</u> Some amount of this energy is then used in <u>pumping the protons across the biological membrane.</u>