What type of soil is alkaline and contains high levels of calcium carbonate?

What is the primary source of energy for most ecosystems on Earth?

What role does landscape play in promoting social interaction and community engagement?

What role do wetlands play in the environment?

_______ is the average horizontal spread of the tree, taken from dripline to dripline.

What role does water-efficient landscaping play in green building practices?

Which element of landscape design refers to the two-dimensional outline or silhouette of objects within the landscape?

Which Plant is found only in one geographic location on earth?

Which principle of landscape design involves the careful consideration of textures, colors, and forms?

Shrubs or trees (usually of the same species) planted closely together in a linear configuration is known as _______