How many Giardia Lamblia cysts will remain in chlorinated water at 15 0C and pH = 7 if we chlorinate the water for 25 minutes with 2.5 mg/L of chlorine and the chlorine demand is 1.5 mg/L? Note: Use tables 7-3 or 7-4 or 7-5. Consider that the initial cyst concentration is 10 cysts/100 mL.

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins

Complete each row of the table below by filling in the missing prefix or missing exponent.

Organisms that live in the alpine and taiga biomes have developed unique adaptations that aid in their survival. moss campion is one of the plants found in the alpine biome. it has small leaves and a cushion shape that protect it from the wind and freezing temperatures in the alpine. how has the moss campion adapted to enable its survival in the alpine biome? a. waxy needles b. cone-shaped c. thin trunks d. low-growing