Humans cannot convert the suns energy into gluscose for themselves because humans lack

silty loam

hope this

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.

if you add everything up correctly you should get 69 i got this because 50 plus 19 is it