PLEASE HELP!! :( I ONLY HAVE 15 MINS The cyanate ion has two resonant structures, according to the figure shown below: Which option shows its formal charges in the following order: oxygen-carbon-nitrogen? a.
0, -1, 0 / 0, 0, -1

b.
0, 0, -1 / 0, 0, -1

c.
-1, 0, 0 / 0, -1, 0

d.
-1, 0, 0 / 0, 0, -1

e.
-1, 0, 0 / -1, 0, 0

Identify a specific example for each type of technology

Which of these is not an example of chemical weathering? a. iron-rich mineral rusting b. feldspar turning into clay c. limestone reacting with acid d. granite breaking up into sand

Two metal blocks that have slightly different temperatures are placed next to one another. after five minutes, they both have lower but equal temperatures. according to the law of conservation of energy, what  most likelyhappened? energy was created inside the blocks. energy was destroyed inside the blocks. energy was absorbed into the blocks from outside the system. energy was transferred from the warmer block to the cooler block.