What atoms result in a green aurora borealis?
a.
nitrogen atoms
b.
solar atoms
c.
hydrogen atoms
d.
oxygen atoms

Which statement describes the appearance of a temperature-vs.-time graph? a horizontal line shows that the temperature increases at a constant rate over time. a vertical line shows that the temperature decreases at a constant rate over time. horizontal lines where the temperature is constant during phase changes connect upward-sloping lines where the temperature increases. horizontal lines where the temperature increases are connected by upward-sloping lines where the temperature is constant for each phase.

This is a characteristic of the elements in the periodic table that shows a pattern. it may increase or decrease across or down the table.

The grooves or folds of the brain are called