Answer:
At first, we should know their molecular formula and symbol. In case of element, symbols are written. But in case of compound, molecular formula is used. Also we should know their coefficient (number) to make the number of atoms either side equal.
Rolls in mud to cool off and deter flies
1) <span>C. Waste is removed through a designated opening.
2) </span><span>A. A different kind of DNA decodes the information and disassembles the building blocks of the protein.
3) </span><span>B. The muscle tissues will have to work much harder, and the individual muscles will tire more quickly.
4) </span><span>A. Information in the DNA of the nucleus can tell muscle cells how to develop and perform special functions. A group of these cells that perform similar functions become muscle tissue.
Hope this helps:) </span>