What render mode would provide this functionality?

Users would like to display closely-related markers colored according to their density.

What render mode would provide this functionality?
A . Scatter
B . Markers
C . Cluster
D . Heatmap

Answer: D

Explanation:

heatmap is a render mode that can display closely-related markers colored according to their density. A heatmap is a graphical representation of data where the individual values contained in a matrix are represented as colors. A heatmap can show the intensity of data points in an area, such as the number of customers or sales volume.