Aperson who's resting heart rate is 55 and after exercise, his heart rate is 160, is said to have a well developed heart muscle. why is this so?

The use of dna as evidence in criminal investigations became possible because of the

The response is the basis for vaccination. primary secondary tertiary none of the above

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