What kind of macromolecule is shown below? a. carbohydrate b. lipid c. water d. nucleic acid

Solar energy is energy from the sun that is converted into thermal or energy. a. nuclear b. mechanical c. electrical d. chemical

What are the primary responsibilities of a chemical engineer involved in "r& d"? develop large scale manufacturing operations discover new products and processes training of new chemists determine products needed by consumers

What are transitions between a liquid and a solid called? identify which way they are transitioning