What is the average atomic mass of an element?

Asap 1. which surface feature of the moon is characterized by mountainous areas? question options: maria terrae regolith craters 2.which statement describes surface features called maria on the moon? question options: layers of dust and rock deep areas of cooled lava deep, rocky and barren valleys highlands and mountainous areas

What causes the formation of ocean currents?

Which of the following bonds would be most polar? a. c-i b. c-br c. c-cl d. c-f e. c-o