Sam has 17% body fat. according to the lecture, this does not fall into the healthy range of body fat for males.

metamorphism is the change of minerals or geologic texture (distinct arrangement of minerals) in pre-existing rocks (protoliths), without the protolith melting into liquid magma (a solid-state change). the change occurs primarily due to heat, pressure, and the introduction of chemically active fluids. i hoped i !

to this one it would be receptive field