Elementary school students will be introduced to the most basic aspects of biology, ecology, geology and astrology through observation of the world around them and general readings. In middle school, students may begin studying biology, geology and astrology to greater depth, but serious examination of science does not begin until high school.
Groups allow users to share articles with other members who share a common interest in a topic. Join a group to submit topical articles that other members would be interested in. Some groups may require membership approval before you become part of the group.Create a Group
Online shopping is a form of electronic commerce which allows consumers to directly buy goods or services from a seller over the Internet using a web browser. Consumers find a product of interest by visiting the website of the retailer directly or by searching among alternative vendors using a shopping search engine, which displays the same product's availability and pricing at different e-retailers.
Public Figures & Celebrities can create Pages in order to connect with their fans on Facebook. See photos and updates from friends in News Feed. Share what's new in your life on your Timeline. Find more of what you're looking for with Facebook Search.
CSS counters are, in essence, variables maintained by CSS whose values may be incremented by CSS rules to track how many times they're used. This lets you adjust the appearance of content based on its placement in the document. CSS type selectors match elements by node name. Used alone, therefore, a type selector for a particular node name selects all elements of that type — that is, with that node name — in the document.