What is weathering and soil formation?
Regional SpecificsWeathering describes the means by which soil, rocks and minerals are changed by physical and chemical processes into other soil components. The means by which soil, rocks and minerals are changed by physical and chemical processes into other soil components. Weathering is an integral part of soil development. What is the difference between weathering and
What happened in the Palaeozoic era?
Regional SpecificsPaleozoic Era, also spelled Palaeozoic, major interval of geologic time that began 541 million years ago with the Cambrian explosion, an extraordinary diversification of marine animals, and ended about 252 million years ago with the end-Permian extinction, the greatest extinction event in Earth history. What happened to life during the Paleozoic Era? The Paleozoic began
What are earth science concepts?
Regional SpecificsEarth sciences are the fields of study concerned with the solid Earth, its waters, and the air that envelops it. They include the geologic, hydrologic, and atmospheric sciences with the broad aim of understanding Earth’s present features and past evolution and using this knowledge to benefit humankind. What are the 5 major branches of Earth
Did San Leandro just have an earthquake?
Regional SpecificsWas there an earthquake right now in San Leandro? today: 2.1 in Hayward, California, United States. Was there an earthquake in Alameda just now? today: 2.3 in East Foothills, California, United States. this week: 3.6 in Corralitos, California, United States. this month: 4.1 in Soledad, California, United States. Was there an earthquake in San Leandro
What was California’s last earthquake?
Regional SpecificsA magnitude 7.1 earthquake struck 10.5 miles north-northwest of Ridgecrest in the Mojave Desert on Friday, July 5, 2019, at 8:19 p.m., on the heels of a magnitude 6.4 earthquake that struck about 7.5 miles southwest of the Searles Valley in the Mojave Desert on Thursday, July 4, 2019, at 10:33 a.m. How many earthquakes
What is the composition of water on Earth?
Regional SpecificsThe total volume of water on Earth is estimated at 1.386 billion km³ (333 million cubic miles), with 97.5% being salt water and 2.5% being fresh water. Of the fresh water, only 0.3% is in liquid form on the surface. Is the Earth made of 75% of water? Viewed from space, one of the most