12. You run an experiment in which two substances chemically react in a closed system. You run the same experiment in an open system. How would the
masses of the products in each experiment compare? Explain.

15 points come and ! which characteristic describes all bacteria? a rod-shaped b microscopic c multicellular d autotrophic

Which best describes how the common cold spreads in the human body? a bacteria burst out of normal cells killing them b viruses replicate inside respiratory cells c bacteria inject dna into normal cells d viruses insert dna into bacteria

Drag each tile to the correct location. match each trait that an organism displays to a reproductive strategy.