Answer: Lung breathing: Mammals, birds, reptiles, and some amphibians.
Gill breathing: Fish and crabs.
Tracheal breathing: insects, centipedes, and spiders.
Skin respiration: Some amphibians, frogs.
Answer: The correct answer is : b. Ayerst Laboratorie
Explanation: Samples were taken from several plots of the soil of Easter Island. In 1969, all samples were delivered to the Ayerst research site in Montreal. It was there that they discovered that there was a bacterium that had the ability to produce rapamycin, which is a compound that has many medicinal properties.
A voter or a candidate who does not identify with a political party is called an Independent
Answer:
the major success of OAU
Explanation:
A further achievement of the OAU was its encouragement of the development of regional economic communities such as the Economic Community of West African States (ECOWAS), the South African Development Coordinating Commission (SADCC), the North Africa-Greater Area Free Trade Area and the Central Africa-Economic
hope it helps you
Prime meridian & south meridian & north meridian
