… most often observed by the media, hundreds of local groups and noted on calendars on April 22. Many people also observe Earth Week and Earth Month. Since most events and festivals need to take place on a weekend, Earth Day is observed on the weekends…

… WATSON ELLINGSON APRIL 20, 2000 TABLE OF CONTENTS Lake Tahoe An Introduction Page 2 Lake Tahoe -- History Page 3 Figure One -- Tahoe Region Map Page 3A Lake Clarity -- Introdution to Causes Page 5 Figure Two -- Secci Depth…

… versus creation has been a debate lasting decades upon decades in the United States and around the world. The mock trial held during class, however, was not to prove one view as right and the other wrong. Rather, the focus of…

… analysis is used in the determination of the identity of a substance. It is different from quantitative analysis, which deals with the determination of the amount of a substance. In this experiment, qualitative analysis techniques are used to…

… how the universe began, whether if and when it will end. Astronomers construct hypotheses called cosmological models that try to find the answer. There are two types of models: Big Bang and Steady State. However, through many observational evidences,…

… young and then die? It has been said that anyone who has not seen a wild salmon has not seen what a fish should be. Salmon was the common name applied to fish characterized by an elongated body covered with small, rounded scales and a fleshy fin…

… to the nations economy. Reasons are varied but all are contributing factors. Unemployment soared, it grew 3 1/2 times in just five years. The treaty of Versailles was to blame, as it took away much land, where many natural resources were obtained.…

… an axis (called its rotational axis). Some objects rotate about a horizontal axis, like a rolling log. Some objects, such as a skater, rotate about a vertical axis. The Earth's axis is tipped over about 23.5° from vertical. How do we define up and…

… osteoporosis was a word used mainly by researchers and physicians. Over the past few years, there has been an explosion of information about this condition that can cause severe pain and crippling. No cure is known yet, but ways to lessen your potentia…

… torosa)have been found to frequently cannibalize both larvae and egg masses. In turn, for those adult newts that remain in the stream pools after breeding, conspecifics have become one of their main sources of prey in the chaparral stream pools…