How is data not actually obtained from the experiment represented in a line graph? with a double line with only dots with a colored line with a broken line

What does the cell nucleus do or, how does it function?

The chemical bond connecting one nucleotide with the next one along the nucleic acid chain is called a

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.