Determine if the example of symbiosis below describes mutualism, commensalism, or parasitism. Cattle with cattle egrets Cattle stir up insects as they eat grass Egrets hang around and eat insects

Which statement is a reason to support population regulation? a) it is unethical for us to control birth control rates b) humans have the freedom to produce as many children as desired c) the gap between the rich and poor has been narrowing since 1960 d) billions more people on the earth will intensify many environmental and social problems

Which element forms an ionic bond with flourine? 1) fluorine 2) carbon 3) potassium 4) oxygen

Asolution contains 180 g of glucose (c6h12o6) and 162 g of water. what is the mole fraction of glucose?