A mature seed consists of two essential parts – the seed coat and the embryo. Seed coat: The outer covering of the seed is known as seed coat. The seed coat develops from the integument of the ovules. The seed coat is made of two layers – the outer layer is called the testa and the inner layer is called tegmen.
vaccines are weakened viruses or bacteria that prompt the body to develop antibodies to foght against disease
321mL times 6 equals to 1926mL
1926mL in Liters is 1.926L
Maybe because food was here before the population even started to grow?♀️