What type of algae is called seaweed and belongs to the division phaeophyta? a) green algae b) blue-green algae c) brown algae d) red algae

The theories on the expansion of galaxies maybe re-examined to strengthen science should not be tested to strengthen science will weaken scientific knowledge if they change will become laws if they don't change

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 of the following explains why a tree is often used as a model to represent the principle of common descent