What is the ploidy level of the spores produced in the sporangium?

What protects the lining of the stomach from acidic gastric juices?

Plants consume most of their carbon from a. the soil b. the water c. the roots d. the air

What is the importance of having the us forest service, the bureau of land management, the us fish and wildlife service, and the national park service? to manage land resources for conservation and the development of natural resources to manage land resources for conservation and the development of urban areas to preserve historical landmarks and manage the development of urban areas to preserve historical landmarks and manage the development of rural areas