<span> produces spores through meiotic (asexual) division</span>
Through experiments and studies
The lungs are the main organ of the respiratory system
I feel the best answer to go with is "to find something" because any scientific investigation proves that there is no right or wrong answer, so scientists hypothesize through the investigation. D is just an extra answer they used to throw you off, haha.
Briefly: The answer should be A
Philosophy would be the discipline concerning with questions like the mind and body dualism and the nature as well as nurture issue while physiology is the branch of biology studying the structures and functions of an organism.These influence the founding of psychology.