Which structure or organelle is found in both prokaryotic and eukaryotic cells? a) ribosomes b) chloroplasts c) mitochondria d) endoplasmic reticulum

What are the headings of a data table

According to the big bang theory, after the "bang," the universe remained dark until about  300,000 yearsone billion yearsthree minutesthree billion years  later, when neutral atoms began to form.

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