The are either elements Or compounds which are present prior to a chemical reaction For science

A chemical reaction is a process that changes, or transforms, one set of chemicals into another by changing the chemical bonds that join atoms in compounds. Elements or compounds that enter into a chemical reaction are known as reactants. Elements or compounds produced by a chemical reaction are known as products.

Tamarind can be grown on homesteads, plantations, and wasteland or as a forest tree. methods of propagating tamarind there are two methods of propagating tamarind trees: seed propagation and vegetative propagation. seed propagation: it involves the collection, preparation and direct planting of the seed.answer from google full credit to google.