What are transition metals?
elements with characteristics similar to metals, except when exposed to high heat elements that are poor conductors of heat and electric current
elements that are in group 18
elements that fall between those on the left and right sides of the periodic table

stratosphere: as the altitude increases, the air temperature increases. the stratosphere has a layer of ozone, called the ozone layer. this layer absorbs most of the ultraviolet radiation from sunlight. this results in the stratosphere being warmer.

a. suckling by young

b. hypothalamus

c. dopamine

d. trh

e. anterior pituitary

f. mammary glands

g. milk production