Which biome is characterized by very low temperatures, little precipitation, and permafrost? a) desert b) temperature forest c) tundra d) tropical rain forest

Match the pollutants. 1. a chlorofluorocarbon smoke 2. a biodegradable organophosphate insecticide freon 3. particle pollution paint 4. hazardous waste monoxide 5. carbon is completely burned malathion 6. carbon is incompletely burned dioxide

Which two criteria must be met before scientist can use radiocarbon dating? explain your answer

How do the sperm cells get from the stigma to the ovules?