1 Solar-powered home water heaters cost $1,000-$3,500 (including installation) but have extremely low monthly operating costs and can be used in any climate, according to the US Department of Energy.2  The cost for a solar heating system can vary widely. Prices vary based on building and system configuration, the type of equipment selected and other factors. 2  Generally it costs less to install a system in a new home rather than remodeling an existing one, although it can be practical to install a solar system while replacing the roof.
Spices and herbs at a grocery shop in Goa, India. A spice is a seed, fruit, root, bark, or other plant substance primarily used for flavoring, coloring or preserving food. Spices are distinguished from herbs, which are the leaves, flowers, or stems from plants used for flavoring or as a garnish.
Definition of herb. 1 botany : a seed-producing annual, biennial, or perennial that does not develop persistent woody tissue but dies down at the end of a growing season. 2 : a plant or plant part valued for its medicinal, savory, or aromatic qualities planted parsley, basil, and rosemary in her herb garden. 3 slang : marijuana 2.