Spring (hydrology) and water supply network are subjects the hydrogeologist is concerned about; Water cycle, hydrosphere and water resources are larger concepts which hydrogeology is a part of; References
7.2 Photosynthesis occurs in chloroplasts in plant. cells. ï§ Chloroplasts are concentrated in the cells of the. mesophyll, the green tissue in the interior of the. leaf. ï§ Stomata are tiny pores in the leaf that allow. carbon dioxide to enter and oxygen to exit. ï§ Veins in the leaf deliver water absorbed by roots.
Oxygen gas was produced when the tooth pick was put with the gas the toothpick lit up really bright. D. Compare the behavior of the mixture of gases with each solitary gas in the presence of flame. When the flame was added to the mixture of gases there was a loud pop sound.