Two elements, hydrogen and helium, mqke up most of the atoms in the universe: 92.7% of atoms are hydrogen , and 6.9% of atoms are helium. what percentage of atoms in the universe is neither hydrogen nor helium.

Explain at least three factors economists consider the measurement of success, or shortcomings, of the economy? and give examples.

In piaget's stage, you would expect one to develop interest in ethics, politics, and social and moral issues.

Hilard and clint are seeing a therapist for their sexual difficulties. their homework assignment this week is to caress each other while communicating what is pleasurable to each of them, and to avoid setting any performance goals. this is called the exercise.