1. How many muscle types do Mollusca have? Discuss these types?

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

Nucleus is the organelle that contains chromosomes

Movement of earth’s crust creates low areas that fill with water. also streams flow into shallow areas.

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