Answer:
Tea
Step-by-step explanation:
Export is defined as an international trade business of a goods or a service that is produce in one country and is sold to some other country.
The country which produces a product abundantly sells the product to some other country by exporting them. This is one sources for generating revenue for the country.
In Kenya, tea grows in abundance. Kenya produces large quantities of tea. It is one of the largest exporter of black tea to others parts of the world. It is also a leading producer of coffee and other horticulture products.
Tea is the largest export item in Kenya because Kenya is one of the largest producer of tea in the world.