Muscle cells can stretch and contract. This is their specific cellular function. What type of molecule in muscle cells allow them to carry out this function? 1) sugars
2) RNA
3) fats
4) proteins

In two or more complete sentences, describe one of the world’s 25 worst earthquakes in history. in your description, include the following facts: a. name of the earthquake; b. full date of the earthquake; and c. the location of the earthquake’s epicenter.