I need c only please answer it

b. latent learning (the word "latent" itself means something that exists but isn't obvious, only under certain conditions! )

i think it because equal matrices have equal dimensions, only square matrices can be symmetric. for all indices and . every square diagonal matrix is symmetric, since all off-diagonal elements are zero. in linear algebra, a real symmetric matrix represents a self-adjoint operator over a real inner product space.

in this image, you can see solar radiation going through ocean water.

no image, but probably absorption