If 3. 0 grams of 90sr in a rock sample remained in 1989, approximately how many grams of 90sr were present in the original rock sample in 1933?.

We the people of the united states, in order to form a more perfect union, establish justice, insure domestic tranquility, provide for the common defence, promote the general welfare, and secure the blessings of liberty to ourselves and our posterity, do ordain and establish this constitution for the united states of america. according to the preamble which action represents an appropriate role for government

The and the gall bladder work together to produce, store, and use bile to digest a) liver; fats b) stomach; fats c) appendix; food. d) pancreas; sugars

Explain how you might determine the rate of weathering on a sample rock