What is the term used to identify where the vertical and horizontal lines of a graph meet

Aplane cuts a pyramid as shown in the diagram. what is the shape of the cross section? a. a hexagon b. a pentagon c. a square d. a triangle

Which of the following is a measure of the amount of light a star directly emits? a. luminosity b. wavelength c. brightness d. intensity

What is the climate of the himalayas? a. cold and wet c. cold and dry b. hot and humid d. hot and dry