What does the red represent on the model? * the oxygen molecule
the oxygen atom
the element hydrogen

In all living cells dna controls cellular activities by

The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland

Predict whether the changes in enthalpy, entropy, and free energy will be positive or negative for the boiling of water, and explain your predictions. how does temperature affect the spontaneity of this process?