Answer:
by heart beat camel lives
I think it’d be C. I’m not 100% if it is tho
1. estuary
2. shallow waters of the caribbean sea
b its plasma membrane probably
To find the number of atoms in the sample of copper, we need its atomic mass and the use of the Avogadro's number to find the equivalent units in terms of atoms.
68.7 g Cu ( 1 mol / 63.55 g ) ( 6.022 x 10^23 atoms / 1 mol ) = 6.51 x 10^23 atoms Cu