What is relative dating in biology
Camera: Both i Phone4 and Torch 9800 have 5-megapixel camera with autofocus and LED flash.The i Phone4 comes with a 5x digital zoom function and has got a front-facing secondary video camera for video calling.Both phones are targeting different market segment. Which one you want to choose depends on your needs and what you are looking for in a phone.Display: The i Phone4 has a 3.5-inch capacitive widescreen multi-touch ‘Retina’ display with higher resolution (640×960 pixels).Keyboard Blackberry has a full QWERTY keyboard in addition to the touch screen.
Apple claims that the Retina display is the “sharpest, most vibrant, highest-resolution phone screen ever, with four times the pixel count of previous i Phone models.” It claims that the pixel density is so high that the human eye is unable to distinguish individual pixels and makes text amazingly crisp and images stunningly sharp. It may be more enjoyable to watch movies on i Phone4.RIM introduced Black Berry Torch 9800, offering a capacitive touch screen, upgraded Operating System (Blackberry OS 6) and a whole lot of other features.The Apple’s stunning i Phone4 with loads of applications and improved OS (i OS 4.2.1) is already in the market.A method for determining the age of an object based on the concentration of a particular radioactive isotope contained within it.For inorganic materials, such as rocks containing the radioactive isotope rubidium, the amount of the isotope in the object is compared to the amount of the isotope's decay products (in this case strontium).