Romantic composers pursued __________________________ to a greater extent than Baroque and Classical ones, to expand the expressive range of both their melodies and their harmonies. It refers to music that liberally employs all twelve notes of the chromatic scale.

The general Romantic tendency to blur all sharp edges found its musical counterpart in the practice of tempo ____________________, which means that in performance, the rhythm is handled flexibly, the meter itself may waver, or else the beat is maintained strictly in the accompaniment while the melody is played or sung slightly out of place with it.

The carbon skeleton in an organic molecules can vary by _____________.

Starch and cellulose ___________________.

On a hot day, the temperature of land rises more quickly than that of the sea. Which of the following statements best explains why? 

Which of the following chemical bonds or interactions will form when atoms give and take electrons? 

A solution of pH 3 is ________________________ times more acidic than a solution of pH 9.  _______ Type your answer here.

During the formation of a table salt molecule (NaCl) ________.

Nitrogen (N) is more electronegative than hydrogen (H). Which of the following is a correct statement about the atoms in ammonia (NH3)? 

The atom is the smallest unit of organization that can perform all activities required for life.