Answer:
A. dominated by multiple species of cacti
Step-by-step explanation:
Xeriscaping is a type of landscaping that is employed in areas that usually have a kind dry climate with rainfall that is seasonal and not support intense vegetation growth. Xeriscaping involves the use of native drought resistant plants in beautifying the environment in landscaping, in an efficient manner that would ensure reduced water use. This goes a long way water conservation as well as save huge financial cost involved in irrigation.
In Los Angeles, California where the climate is seemingly dry and hot with seasonal rainfall, the use of native plants like cacti that is well adapted to drought and conserves water well, are usually a constant feature when it comes to xeriscaping. Therefore, if you are conserving water by xeriscaping, and you live in Los Angeles, the landscaping around your home would be mostly dominated by multiple species of cacti.