About 80 percent of all life on Earth is found in the oceans, which cover 71 percent of the planet's surface. Take a look at how colorful life under the sea can be. Learn more about these popular crustaceans that some think of only as a meal. Find out the sizes that these sea creatures are capable of attaining.
Steps. 1  1. Place a dispenser down, and a wooden pressure plate in front of it. 2  2. Connect the dispenser and the pressure plate with redstone. 3  3. Invert the signal by using a solid block with a torch on the other side or on top of the block with redstone going into it.  4. Place a big stack of items in the dispenser.
Well, usually a single polymer molecule is made out of hundreds of thousands (or even millions!) of monomers! Wow! That's a lot! By the way, we use the special name of monomer because not all molecules can form polymers.lick here to find out.). This is called the repeat structure or the repeat unit. Mouse over the polymer below to see the repeat units: The repeat unit is put inside brackets, and the subscript n just stands for the n umber of repeat units in the polymer chain.