1 It is often necessary to do both CT and PET scans to evaluate cancer. 2  Help a doctor choose the best treatment for cancer or to see how well treatment is working. 3  PET scans may also be done to see whether surgery can be done to remove a tumor.
The 2016 Road Atlas. Weâve had plenty of time to hone our craft of compiling accurate, detailed maps and travel information into the ultimate road trip accessoryâ-something thatâs useful (and easy to use), current, beautiful, and compact.No wonder generations of savvy travelers have put our Road Atlas atop their packing lists! Learn Moreâº.eâve had plenty of time to hone our craft of compiling accurate, detailed maps and travel information into the ultimate road trip accessoryâ-something thatâs useful (and easy to use), current, beautiful, and compact. No wonder generations of savvy travelers have put our Road Atlas atop their packing lists! Learn Moreâº.
Geography is a science that deals with Earth's surface. People who study geography are called geographers. Geographers are interested in Earth's physical features, such as mountains, deserts, rivers, and oceans.They are also interested in the ways that people affect and are affected by the natural world.ow readers of your website, blog-post, or any other web content can enjoy full access to this article on geography, or any other Britannica Online for Kids premium article for free, even if they do not have a membership.