If you fly over central Illinois during the early spring, you will seeslight differences in soil color due to variations in moisturecontent—wetter soil is darker. These variations outline theshapes of polygons that are tens of meters across. What dothese patterns represent?

Q: Describe the process of primary succession. How doesit differ from secondary succession? Give an…

A: Primary succession is the beginning of ecological succession on the land which is recently created…

Q: What is a mass-extinction event, and why might such eventstake place? (

A: Mass extinction events are very devastating when they occur. They resulted in approximately 90% of…

Q: question: The atmosphere is heated directly by radiation emitted by the Sun.  a.) True  b.) False

A: Our planet earth is made up of different spheres like the biosphere, atmosphere, lithosphere, and…

Q: Explain the ways in which desert winds transport sediment

A: Desert ecology is the study of interaction between abiotic components( non-living features) and…

Q: Why do streams develop distinct channels?

A: Earth is a terrestrial planet, meaning it has a rocky and solid surface, which is primarily made up…

Q: 9. Which process is excluded from the working cycle of a common rapid filtration: A filtration B.…

A: according to our guidelines we can answer only  first question and rest can be reposted.

Q: Question: The last planet forming process is: A.) Accretion of materials into a planetesimal.…

A: Our solar system is formed from a massive dense cloud. From which materials are accreted and formed…

Q: Explain the difference between a stable and an unstable slope.What factors determine the angle of…

A: An incline that is probably not going to encounter an abrupt mass development in not so distant…

Q: recognize sedimentary deposits and associated landforms left byglaciers.

A: Glacier is the moving sheet of ice. Its base erodes the underlying materials, which move along the…

Q: What may have caused the flooding of the continents during theCretaceous Period?

A: Successive arrangements of stratigraphic and time units as the standard reference for worldwide…

Q: What conditions can lead to preservation of an organism as afossil?

A: Fossils are direct or indirect evidences of plants and animals life in past.

Q: What major tectonic provinces formed in the western UnitedStates during the Cenozoic?

A: The plates floating above the partially melted semi-plastic region are called Asthenosphere. The…

Q: What phenomena may cause extinction?

A: Extinction is the finished vanishing of an animal varieties from Earth. Species go wiped out…

Q: What observations led Hutton to proposeuniformitarianism?

A: The principle of uniformitarianism states that the succession which is seen today is the result of…

Q: explain how streams and drainage networks form and evolve.

A: A drainage network incorporates all the stream channels that channel toward a reference point. The…

Q: Question 1 of 5 Which statement is a conclusion? O A. Cut flowers placed in sugar water stay fresh…

A: Given question is from the flower buds and biology section of flowers. Cut flowers are basically…

Q: How have humans abused and overused the resource ofrunning water?

A: Water is an essential natural resource on the planet earth. It is important for the existence of…

Q: cambrian and Sulivan were periods of relatively intense tectonic plates? True or false

A: Solution - true

Q: What measures have been taken to combat resource wastage?

A: The 5 measures have been taken already to combat resource wastage are:- reduce, reuse, recycle,…

Q: Which type of ore deposit does the figure show?

A: Naturally occurring materials from which one or more mineral, metal or metallic compounds can be…

Q: differentiate between erosional and depositional landscapes.

A: Erosion is the movement of rock and soil pieces caused by water, ice, wind, or gravity. Deposition…

Q: What does this longitude represent? Q9. Not all lines of longitude are shown on a globe. If you want…

A: 9 -It we want to find 20 degree west in the given longitude lines then we should have knowledge…

Q: What event, indicated by the fossil record,marks the end of the Paleozoic?

A: Given that, the Geology scale is the ages of the geological evidence which are divided basically…

Q: Why do scientists consider invasive species to be a problem?What makes a species “invasive,” and…

A: The term species can be related with a gathering of creatures having comparative characteristics as…

Q: Why do longshore currents develop?

A: Longshore current is a type of ocean current. It moves parallel to the beach or shoreline of a sea.…

Q: What was the Earth’s land surface like during the early Paleozoic?

A: The geological time scale can be explained as the record of geological history since the formation…

Q: 10. On a typographic map, the contour lines show changes in elevation of the land. You and a friend…

A: Topographic maps are visual depictions of features on the Earth's surface that are detailed and…

Q: How do bajadas develop?

A: Bajada also spelled Bahada, wide slant of debris spread along the lower slants of mountains by…

Q: Why don’t all periods on the geologic timecolumn have the same duration in years?

A: Geologists have created the geologic scale which includes   But every duration is not the same,…

Q: Describe the mechanisms that enable glaciers to move, andexplain why glaciers move. Why do crevasses…

A: Geomorphology is the study of landforms , their process of formation, form and sediments at the…

Q: Scientist concur on two things about climate. The world's climate is changing and human activity is…

A: By a large majority,climate scientists agree that average global temperature today is warmer than in…

Q: What is stream piracy? What causes a drainage reversal?

A: The source water goes to a network of perforated drainage channels during reverse drainage, where it…

Q: What is the evidence for multiple Pleistoceneglaciations?

A: The Quaternary glaciation, often known as the Pleistocene glacier, is an overlapping series of…

Q: What are the two figures to present the rock granulometric composition? How to evaluate the…

A: The granulometric composition of a natural or the artificial material is an essential indicator of…

Q: identify different types of mass movements, and explain thedifferences among them.

A: Mass movements are one of the most pervading disasters on the planet. Human life and economic…

Q: Question: The Maria on the Moon are smooth, dark-colored, basaltic portions of the surface.  a.)…

A: The lunar Maria is a large, dark, basaltic plains on the Earth's moon formed by asteroid impacts in…

Q: How can ground shaking cause fairly solid layers of sand or mudto become weak slurries capable of…

A: The rockmass moving under the influence of gravity on slopes is termed "mass wasting." It is…

Q: List five (5) foreign and five (5) local Filipino scientists and their contributions to the…

A: Five foreign scientists who played an important role in the evolutions of environmental science…

Q: What factors control the direction of surface currents in theocean? Explain thermohaline…

A: Given the question, The oceanography question - What factors control the direction of surface…

Q: 2. A stream near a marine lab has an oxygen isotope composition of 80= -20 %o vs. SMOW. Surface…

A: In hydrologic studies, d18-oxygen isotopes are widely used to predict the salinity and environmental…

Q: What is the difference between a local base level and theultimate base level of a stream?

A: Any type of water flowing on the surface can be called a stream. It becomes a river when it follows…

Q: How do people try to protect regions from flood damage?

A: Flood is a disaster due to over-flow of excess water in the region. It causes loss of lives and…

Q: 1. Using a world map or a globe, givw 1.1 Greenwich, England 1.2 Manila, Philippines 1.3 New York,…

A: The geographical co-ordinates of each location are determined by two imaginary sets of…

Q: 1. Isit climate change, global warming, or global climate crisis? 2. How is climate change affecting…

A: Change of climate alludes to long haul shifts in temperatures and weather conditions. These…

Q: Explain how our economies exist within the environment and rely on ecosystem services

A: Given question is how economics deal with the economy within the environment and rely on the…

Q: Make a presentation on Energy industries including renewable energy (solar and wind farms). Also…

A: Renewable energy (solar and wind farms) is a very important source of energy that are God-gifted…

Q: How do submarine canyons form?

A: Submarine canyons are the steep and sinuous valleys cut by river. They have V-shaped cross sections.…

Q: describe the evidence that major mass movements have takenplace under the sea, and that some of…

A: The earth's interior is classified in two ways on two different bases, viz., its chemical…

Q: evaluate evidence that climate has changed during the past fewcenturies, and describe the causes and…

A: Given that, evaluate evidence that climate has changed during the past few centuries, and describe…

Q: Explain why hot springs form and what makes a geyser erupt.

A: Magma is the hot, molten rock beneath the subsurface. As magma reaches the surface of the Earth, it…