Metalloids are useful as semiconductors in modern electrons, like smartphones. Which feature of a smartphone is made possible by metalloids

Which of the following is not a way in which a vascular plant's xylem and phloem are similar?

Advances in technology have enabled scientists and researchers to better study the evolutionary relationships between species

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