B; both skin cancer and acne are effects of a cause and effect relationship, so the analogy is effect:cause
The three germ layers are the endoderm, the ectoderm, and the mesoderm. Cells in each germ layer differentiate into tissues and embryonic organs. The ectoderm gives rise to the nervous system and the epidermis, among other tissues. The mesoderm gives rise to the muscle cells and connective tissue in the body.
Our universe began with an explosion of space itself - the Big Bang. Starting from extremely high density and temperature, space expanded, the universe cooled, and the simplest elements formed. Gravity gradually drew matter together to form the first stars and the first galaxies
It has many names and cause by many things !!
But in general it is Paralysis !!
Forgetting
is the apparent loss or modification of information already encoded and
stored in an individual's long term memory. It is a spontaneous or
gradual process in which old memories are unable to be recalled from
memory storage. Forgetting also helps to reconcile the storage of new
information with old knowledge.
Hope this helps :p