Afederal regulation that (1) mandates the development of data concerning the effects of chemical substances and mixtures on human health and the environment; and (2) restricts or prohibits the manufacture and/or use of materials such as asbestos, cfcs and pcbs is the

p

explanation:

frogs. the lower the ph the higher the acid content. frogs have the highest tolerance in this scenario.

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.

she will be charged $6

step-by-step explanation:

48 dollars divided by 200 beads equals .24 dollars a bead

.24 multiplied by 25 more beads equals 6 dollars as the total cost