in the image, balls that look alike represent the same type of atom. the atoms have formed molecules. identify which molecules are elements, and which are compounds.

Which of these statements is false? a. others may notice a problem with a relationship before the people involved. b. the first sign of a problem with a relationship is a feeling of anger. c. damaged relationships can be repaired. d. even good relationships can be damaged.

The distant ancestors of tigers may have had bodies without stripes. use the theory of natural selection to explain how tigers may have evolved to have stripes.

What are the proteins in connectivity tissues of your foot examples of?