A28-year-old female presents to the er complaining of severe chest pain that worsens with respirations or lying down. she has a fever, tachycardia, and a friction rub. the most likely cause of these symptoms is:

What causes the phospholipids to organize themselves the way they do

The diagram shows the layers of earth. convection currents in which region influence the movement of tectonic plates

Many organizations release indexes used to measure the development of the world's countries. as we learned in this lesson, these indexes measure many factors, from life expectancy to happiness. in your opinion, what are the three most important factors we can use to determine how developed a country might be? explain your answers in a few sentences.