The Sun appears to be red as it sets because: 1. Air absorbs red light less than other frequencies (i.e., acts like a red filter). 2. The sunlight has a red-shift when you're moving fastest away from it. 3. The Sun cools down to 5000 K each evening. 4. Light is refracted as it enters the atmosphere. 5. The Sun dies in a glorious fireball each evening and is reborn each morning. 6. None of the above.

Q: Calculate the soil resistivity for the following case if the distance between the electrode and the ...

A: The soil resistivity of a soil formation depends on the resistance, cross-sectional area and length ...

Q: 2. Which type of air pollution occurs when pollutants mix with fog? greenhouse effect smog acid ...

A: When smoke mixes with fog, it forms smog, a type of air pollution that reduces visibility. 

Q: Draw a cross section through an active mid-ocean ridge. Where are the hydrothermal vents located? Wh...

A: Earth is a terrestrial planet, meaning it has a rocky surface primarily made up of silicate rocks an...

Q: What are the most valuable shells? What is your rough estimate of the highest price ever paid for a ...

A: Earth is a terrestrial planet, but 71% of its surface is covered by the ocean. Therefore aquatic eco...

Q: Is recovery of fresh water from seawater economically viable?

A:  seawater is present on large quantity on the earth which makes up to 96 to 98 % of all the water pr...

Q: Answer clearly

A: Earthquake essentially refers to the sudden shaking of the Earth's surface. It is essentially a geo-...

Q: How is methane produced from waste material?

A: Wastes are any substances that have been discarded after their primary use. It is a major source of ...

Q: How can Earth’s magnetic field be “frozen” into rocks as they form?

A: Rocks are solid substances that are natural aggregates of minerals. They form by solidification of t...

Q: What is Google Maps useful for?

A: The web mapping feature of google gives satellite imagery, aerial photography, 3D maps, street view,...

Q: What are the mechanisms by which conservation tillage promotes soil resilience?

A: Soil is a mixture of mineral water, organic matter and living organism and decaying matter of living...

Q: What explanation can you give for the bend in the Hawaiian-Emperor Chain?

A: Tectonic plates are piece of earth crust and upper mantle which together are called as lithosphere. ...

Q: What do you think Earth would be like without its moon?

A: The solar system is the gravitationally bound system around the sun. Planets, moons, asteroids, etc....

Q: What type of air mass is most likely to affect Los Angeles California ? Why?

A: The Earth is enclosed by a blanket of gases called the atmosphere. The atmosphere serves as a protec...

Q: Which of the following soil actions contributes to overall net losses of organic matter (and therefo...

A: Loss of natural matter additionally happens on the grounds that disintegration washes away dirt and ...

Q: Why are most volcanoes that have been active in the last few million years positioned in or near the...

A: The area of   the Ring of Fire that lies along the edge of the Pacific Ocean and spreads in it, and ...

Q: As meteorologists, people ask us questions about the weather all the time. A popular question is: "H...

A: Relative humidity of 100% means that the air is saturated with water vapor  to the fullest and can n...

Q: What percentage of temperate grasslands and forests are disturbed (table)? Why?

A: An ecosystem is a geographical area where living organisms community lives in association with the n...

Q: What is meant by thermal equilibrium? Is Earth’s heat budget in balance?

A: Thermal equilibrium refers to the state of a system in which all parts are at an equal temperature. ...

Q: Why do we have isobaric analysis in Meteorology? In your response, explain both the physical reasons...

A: Isobars are the lines that connect points of equal atmospheric pressure on meteorological maps. They...

Q: Illustrate ways we can help nature heal.

A: The environment encompasses all the living and non-living organisms in an area. This term is often a...

Q: How can we say that the universe is flat? Is there evidences that the universe is flat?

A: The shape of the universe, in apparent cosmology, is the geometry of the local and the geometry of t...

Q: Why are most of the world’s deserts located along the Horse Latitudes?

A: Right from the equator till the Tropic of Cancer & Tropic of Capricorn on Northern and Southern ...

Q: What is the difference between a hurricane, a typhoon, and a cyclone? Where in the world does each o...

A: A cyclone, typhoon, and a hurricane are a meteorological phenomenon that occurs on earth. It is a lo...

Q: Explain how atmospheric circulation affects air quality.

A: The atmosphere is the mixture of gases, particulate matter, water vapor, etc. that surrounds the ear...

Q: How have studies of marine sediments advanced our understanding of plate tectonics?

A: Marine sediments are deposited on the ocean's surface as sedimentary loads. They come from the groun...

Q: What do primary producers produce? How is productivity expressed?

A: The environment is all the living and non-living organisms in an area. This term is often applied to...

Q: Evaluate air pollution control efforts and progress.

A: Air pollution is the change in the quality of the air due to the presence of certain substances in t...

Q: What is warm front?

A: Air mass is a large volume of air present in atmosphere who have similar properties like temperature...

Q: What is the role of conservation in reducing soil salinity and sodicity

A:       Soil Conservation is practised all over the world. It not only protects the soil from erosion ...

Q: Describe the following: producers; consumers; secondary consumers; decomposers

A: The environment is all the living and non-living organisms in an area. This term is often applied to...

Q: An instrument that detects and record seismic waves

A: The radiated energy that propagate through the earth during and after the earthquakes are termed sei...

Q: How can scientific advancement and exploration be both good and bad? E

A:                 Science is the systematic study of the universe as a whole. It involves research, th...

Q: How man has altered the atmosphere, biosphere, hydrosphere, geosphere and as a sequence the Earth sy...

A: Man has altered the different domains of the earth by farming, building structures, urbanization, mi...

Q: Discuss any five legal actions that can be taken towards the industrial companies that release untre...

A:   The discharging of untreated waste from factories is a major cause of water pollution. Water Pollu...

Q: Give an example of water in a very short, rapid part of a hydrologic cycle. What is an example of a ...

A: The Earth is an integrated system of land, water, air, and living organisms. The Earth system can be...

Q: Explain 1.Reduction of oxygen and increase in carbon dioxide in the atmosphere due to deforestation ...

A: Ocean acidification is defined as the gradual decrease in the ocean's pH. This implies that the ocea...

Q: Mass extinctions seem pretty scary. Is anybody watching for asteroids that might impact Earth in the...

A: Mass extinction by an asteroid impact is seen by our large mammals which were happened 64 million ye...

Q: In what areas is there evidence that new ocean basins started to form in Triassic and Jurassic time?...

A: Triassic period, geologic period, the first period of the Mesozoic Era. It began 252 million years a...

Q: Stone Mountain is a located near Atlanta, Georgia. It is the largest piece of exposed granite in the...

A: The Earth essentially exists in a dynamic state. Many processes operate in its system, such as const...

Q: Can you answer the question?

A: The standard spatial resolution for any satellite is usually considered 30m. This means that one sin...

Q: Follow the directions of the image

A: Intrusive rock is formed when magma infiltrates, develops, and freezes in the rock, producing intrud...

Q: What are the four main types of marine sediments?

A: The Earth is made up of four spheres known as lithosphere, atmosphere, hydrosphere, and biosphere. A...

Q: What is quartz mineral? How many kinds of quartz in the world?

A: Minerals are naturally occurring substances that have a specific chemical composition and a fixed ph...

Q: Describe the climate of desert biomes

A: The Earth is made up of four spheres known as lithosphere, atmosphere, hydrosphere, and biosphere. A...

Q: Why are most of the world’s deserts located along the Horse Latitudes?

A: Horse latitudes are tropical and subtropical latitudes , where sky is sunny , temperature is high , ...

Q: Question 4 of 10 Which kind of rock forms when molten rock from underground moves to the surface? A....

A: Magma is a mixture of minerals, and it also includes small amounts of dissolved gases such as water ...

Q: Does lightning move from cloud to ground, from ground to cloud, from cloud to cloud, or all?

A: Lightning is a naturally occurring electric discharge when two regions have an imbalance in charge. ...

Q: Using the image match them.

A: The Earth is made up of various kinds of rocks. These rocks begin their life cycle from the solidifi...

Q: 4) What would be the name of the fault type that you would see at the location of the yellow star? ...

A: Tectonic plates are piece of earth crust and upper mantle together called as lithosphere, plate boun...

Q: Earth is about 4.5 billion years old. In order to characterize the events that happened in this very...

A: Paleontology is a study of history of earth of lifeforms on the earth this study is based of fossil ...