What multiplies by binary fission?

How do penguins stay warm? Shaking or trembling of the earth that is volcanic or tectonic is called? What makes a solar system a solar system? Can air be warmed or cooled by the surface below? Where was the red ruby birthstone found? Why does thunder occur in cloudy weather only? What are the factors that affect group norms? How is a rising sea level affecting the polar bear? How does biochemistry impact you? What is the smallest particle of the element iron that can still be classified as iron? What is the process called where milk is heated to 72c for 15 seconds then cooled rapidly to 10c? What is A temporary cytoplasmic projection used in feeding and movement? Is hot tea and salt water homogeneous? How does iron end up in sedimentary rock? Explain how Copernicus concluded that stars were farther away than planets? Is curd a pure substances? Why is mitochondrial biogenesis? What group includes minerals with the silicon oxygen stretcher? Is natural rubber soft? How would you separate the parts of a slime mixture?