Acardiologist suspects that a patient has a heart problem. either the valves between the atria and the ventricles or the valves between the ventricles and the body are likely at fault. to test the valves in this order, the cardiologist would

analyze the first heart sound only
analyze the second heart sound only
analyze the first heart sound followed by the second heart sound
analyze the second heart sound followed by the first heart sound

(drag each tile to the correct identify which questions can be answered by what can be answered by science or which cannot. -is it right or wrong to use genetic engineering to produce new food products? -what are the most common social settings that tend to produce accomplished artists? -if a new gene is added to the genome of a tomato species, will that species be more resistant to insects? -should humans use biotechnology to bring extinct organisms from the fossil record back to life? -do the types of organisms found in the fossil record appear in consistent sequences in different parts of the world? -are michelangelo's paintings more impressive than rembrandt's?

Why did rutherford say that bombarding atoms with particles was like "playing with marbles" what

Which event would lead to primary succession of a forest?