Estrogen is a hormone that stimulates breast development, releasing of eggs from ovaries, and regulates the menstrual cycle. is this gene turned on or off in small children? explain

the correct answer is 4) heat and pressure

metamorphic rocks arise from transformation of existing rocks types, in a process called metamorphism. during metamorphism the original rock(prolith) change into metamorphic rock by heating (150-200c) and pressure of more than 1000 bar. the original rock can be sedimentary, igneous, or existing metamorphic rock.

a = executive branch; b = judicial branch