10. The movement of atoms, molecules, waves, and electrons is energy.
11. The movement of electrons is
energy.
12. The amount of useful energy you get from a system is energy
13. The energy in petroleum and coal is stored as
energy.

Classify the structures as homologous or analogous, depending on their structure and function.

2. how does the miller-urey experiment fall short of demonstrating that life can arise from inorganic molecules? explain. a. it doesn't show a leap between a collection of amino acids and a single-celled organism. b. it recreates the conditions that existed at the earth's beginning, but no molecules form as a result. c. it doesn't provide evidence of the formation of amino acids. d. it doesn't show how multicellular organisms developed from unicellular organisms

Which is a function performed by stem cells in the skin a. replacing lost skin cells b. making cells for the intestines c. growing new organs d. differentiating into brain cells plz apex