EXPLAIN Complete the statement by coloring, bolding, or highlighting the correct terms. Before the reaction, there are two | four | eight | oxygen atoms, and after the reaction, there are (two | four | eight |) oxygen atoms. The same is true for hydrogen atoms. So, atoms are | are not created or destroyed. This supports | refutes the claim that matter is conserved during a chemical reaction.

6. in the dna double helix, how are the two strands of dna held together? a. chemical bonds between base pairs hold the two strands of dna together. b. hydrogen bonds between the base pairs hold the two strands of dna together. c. hydrogen bonds between sugar groups and phosphate groups hold the two strands of dna together. d. chemical bonds between sugar groups and phosphate groups hold the two strands of dna together.

Which hotel do you think is most likely to move ahead in market competition? a. a hotel that provides basic amenitiesb.a hotel that provides luxurious amenitiesc.a hotel that shows understanding of customers' latent needsd.a hotel that gives discounts

How did the miller-urey experiment impact the way scientists think about the origins of life? use what you know about the miller-urey experiments to discuss the factors needed for life to arise, and speculate on whether life could arise on another planet.