Which SI base unit would be used to describe the physical characteristics of dolphins? Answer options
A. Second
B. Kilogram
C. Inches
D. Gallon

The truman doctrine was an american foreign policy whose stated purpose was to counter soviet geopolitical expansion during the cold war. it was announced to congress by president harry s. truman on march 12, 1947, and further developed on july 12, 1948, when he pledged to contain threats to greece and turkey

Ihaven't done that yet, so no idea,but this is not the right place to ask

C. a mature ovule of a plant.