Saudi Arabia has a desert climate characterized by extreme heat<span> during the day, an abrupt </span>drop in temperature at night, and very low annual rainfall. Iraq has a hot, dry climate <span>The </span>climate<span> is influenced by </span>Iraq's<span> location between the subtropical aridity of the Arabian desert areas and the subtropical humidity of the Persian Gulf</span>. Iran has a hot, dry climate characterized by long, hot, dry summers and short, cool winters. The climate is influenced by Iran's location between the subtropical aridity of the Arabian desert areas and the subtropical humidity of the eastern Mediterranean characterized by long, hot, dry summers and short, cool winters.
Answer: Stomata densities change in response to changing atmospheric levels of carbon dioxide. Stomata may also vary in response to the amount of annual rainfall in different localities.
Oxygen is the final electron acceptor in the electron transport chain, which allows for oxidative phosphorylation. Without oxygen, the electrons will be backed up, eventually causing the electron transport chain to halt.
