Calf Muscles. 1  The calf muscles are six in number: the gastrocnemius, the soleus, the popliteus, the tibialis posterior, the flexor digitorum longus, and the flexor hallucis longus. 2  The gastrocnemius and the soleus run between the knee and the ankle. 3  One of the calf muscles, the soleus, has a special ability.
Ozone Pollution. Ground level or bad ozone is not emitted directly into the air, but is created by chemical reactions between oxides of nitrogen (NOx) and volatile organic compounds (VOC) in the presence of sunlight.
13. Describe 3 types of air pollution found in out atmosphere? 14. When did air pollution begin? (Is this just a recent development?) 15. What is primary and secondary air pollution? 16. Research Troposphereic Ozoneâ¦â¦â¦ **What two places is ozone found? **What causes troposphereic ozone? **Is the ozone found in the troposphere bad for us (explain)? **Whatâs the common name for troposphereic ozone? 17. What are the global effects of air pollution? Explain why the two are a concern. 18. Ozone Holeâ¦ Explain why this is a concern. What is causing the hole? When did scientist discover the ozone hole? 19. What is Global Warming? 20. What is the effect of global warming? 21. How has earthâs temperature changed over the last century? 22.