Apv cell is made of two thin layers of

a( insulation
b( collector plates
c( semiconductor material
d( tubes

Contrast how pollination is different among gymnosperms and angiosperms.

Consider the classification levels of a human. eukarya ,animalia ,chordata ,mammalia ,primates, hominidae ,homo ,sapiens .which is the most specific taxonomic level in the classification system above? a sapiens b homo c hominidae d primates

Penelope studies how the structure and function of the nervous system is related to behavior. she is a psychologist