Overdose: If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center. Symptoms of overdose may include: unusual excitement, fast/irregular heartbeat, seizures.
Natural Variation Natural variation includes internal and external variability influences such as the solar Schwabe cycle, oceanic cycles, seasonal influences based on changes caused by the interaction of the various natural oscillations in the climate system.
Another factor that can influence natural climate variation is volcanic eruptions because it can cause sudden climate flips, usually only for a few years. The climate can also change according to oscillations in the ocean and atmosphere. 5. Explain the following: Hadley cells, jet streams, Coriolis effect.