Earth materials (soil, sand, rocks, air, water) are part of the natural environment All living things have basic needs that must be met for them to grow and survive They learn about the size, shape, weight, texture and other properties of objects and materials They continue to learn about cause and effect – that certain actions lead to certain reactions -

Q: Why is the amount of dissolved chloride ion (CI-) a constant in the ocean, but the amount of dissolv...

A: Earth science is the study of the Earth and the various processes that are going on in the Earth sys...

Q: Why do Peruvian fisheries decline—often dramatically—in El Niño years?

A: El Niño is a climatic pattern that is seen on the surface of the earth which helps in describing the...

Q: 9) Please answer the question in the photo

A: This structure can be called as a dome. This is present in Mauritania .

Q: When referring to the absorption lines in a spectrum, the photons of specific wavelength are absorbe...

A: The Sun is said to be producing an osmosis spectrum. It has these dark lines placed all across its s...

Q: Directions: Read and analyze the following statement/question. Write your answer on the space provid...

A:  Light is an electromagnetic radiation which lies within the electromagnetic spectrum and can be see...

Q: Describe circumstances lead to summer monsoon winds?

A: First, let us discuss something about monsoon, Monsoon: The seasonal precipitation in a particular a...

Q: Which do you think contains more nutrients, a soil formed from volcanic rocks or a soil from limesto...

A: Soil formed from limestone can have more nutrients.

Q: In eastern North America, mountain building progressed from New England to Texas during Paleozoic ti...

A:        During the Palaeozoic era, many mountain building activities flourished. But the major mounta...

Q: How is bilateral symmetry different from radial symmetry?

A:  Symmetry is a balanced distribution of the body shape, there are different categories of symmetry l...

Q: What is a volcano

A: Volcano is a rupture in the Earth’s crust through which lava, volcanic ash and gases escape from the...

Q: What’s a buffer? Why is seawater’s buffering capacity important to marine life?

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

Q: How long would it take for a tsunami to travel from the Aleutian Islands (west of Alaska) to the Nor...

A: Tsunami are the large powerful waves ,  generated due to tectonic movements in deep oceanic crust . ...

Q: Distinguish between a meteor, a meteoroid, a meteorite, an asteroid, and a comet.

A: Astronomy is the study of anything that is beyond the Earth's atmosphere. This includes both the obj...

Q: Which of the following describes the sequence of the layers of the interior of the sun from the insi...

A: The Sun is composed of different layers. These layers conserve the energy of the Sun. The bubbled-up...

Q: 23. If the trend in water use continues until 2025, what part of the world's population will likely...

A: Water is one of the primary factors that is needed to sustain life. To have water in liquid form the...

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: What human activities help cause record flood heights?

A: A flood is described as an increase of excess water that covers or submerges usually dry land. There...

Q: Astronomers use the Zeeman effect to measure the   a. rotation rate of the sun.   b. speed o...

A: The correct answer is option d i.e. strength of the magnetic field. 

Q: What percentage of the total mass of the sun will be converted into energy over its ten-billion-year...

A: The life time of a star is determined by its mass. If we consider the case of sun , it has lifetime ...

Q: Do you live on a terrane?

A: The living organisms including all plants, animals, and microbes thrive on the lithosphere. The lith...

Q: Why are there high high tides and low high tides—that is, why are high tides sometimes very high, an...

A: Earth is the third planet in the solar system. Moon is the only natural satellite of the earth.Tides...

Q: Discuss the types and uses of world forests.

A: Forest are type of ecosystem in which high density of trees occur in a large area of land. Trees dom...

Q: The corona has a temperature of   a. 0 K.   b. 2.7 K.   c. 3,000 K.   d. 6,000 K. ...

A: Corona is the outermost atmosphere of the sun just above the chromosphere and photosphere.  The temp...

Q: Synthetic compounds are most likely to be biodegradable if theya) are totally different from anythin...

A: Synthetic compounds are compounds synthesized under human control to fulfill their needs. The synthe...

Q: Can a geothermal operation cause volcanic eruption?

A: Instances of volcanic wonders which can contrarily affect geothermal force tasks include: debris fal...

Q: please answer question 8

A: This figure represents the solstice. In the northern hemisphere, it is the winter solstice and in th...

Q: List some adverse geologic structures inside hills that facilitate mass movements.

A: Mass movement is also called mass wasting, which is bulk movements of soil and rock debris down the ...

Q: 4. What are three examples of how the earth and ecosystems began to heal itself when the quarantine ...

A: As the spread of the novel coronavirus (COVID-19) stimulated, the whole world embraced a curfew/lock...

Q: Differentiate between P waves and S waves. Which can go through fluids? Through solids? How are “sha...

A: Earthquakes are shaking of earth's surface. They are caused by seismic waves formed due to energy re...

Q: The city of Venice, Italy, is built on a lagoon. The city is slowly drowning due to flooding from ri...

A: The sea-level rise is occurring of increased global warming. The Venice city of Italy is built on a ...

Q: Which is expected to cost more, controlling climate change or adapting to it?

A:   Climate change is described as changes in weather phenomena that affect the environment on a regio...

Q: If the Coriolis effect acts on all moving objects, why doesn’t it pull my car to the right? And does...

A: Coriolis force is the apparent deflection in the path of the moving object with respect to the rotat...

Q: Different types of biomass resources can be converted to three desired form of energy. Show how heat...

A: Let us discuss something about the biomass, Biomass: The plant or animal material that is used as fu...

Q: 19. Which type of rock would most likely be found below the zone of saturation? permeable rock sa...

A: Zone of saturation- The zone of saturation is called the phreatic zone. The zone of saturation is th...

Q: Which type of sediment is most abundant?

A: Sediments are the loose unconsolidated material created due to weathering and erosion of the pre-exi...

Q: Astronomers can use ______________________ to measure magnetic fields on the sun.   a. helioseis...

A: The atoms in the atmosphere of stars absorb energy of certain frequency in the electromagnetic spect...

Q: Differential rotation of the sun   a. causes the heating in the chromosphere and corona that mak...

A: Sun is made up of plasma means superheated gases, a fourth state of matter. Its different parts have...

Q: What happens to airflow between circulation cells?

A: A circulation cell is the global system of winds in which the winds over the earth's surface circula...

Q: Best Climate type for Frost Wedging, Clay Formation, and Dissolving.

A: Weathering is a natural process f Insitu physical degradation and chemical disintegration of rock. C...

Q: 1. When an Earthquake occurs, where would shaking be greater? Near the epicenter or away from the ep...

A: Earthquakes are one of the indications of the crustal building process. Earthquakes intimates that t...

Q: Giving relevant examples explain how Orographic rainfall is formed ?

A: Orography refers to the elevated region of elevated terrain, like hills and mountains. Orography can...

Q: - Complete the chart below to show how energy is transformed to generate electricity in a geothermal...

A: Energy is very essential for human civilization to develop. Energy is required for industries, house...

Q: _____13. It is based on the application of Newton’s three laws of motion which assume that the conce...

A: Newtons 3rd law of motion state that when there is an interaction within 2 bodies the force applied ...

Q: Helioseismology shows that deeper layers of gas in the sun rotate at different speeds. When differen...

A: Ever since the beginning of the Universe, matter and energy were created. These matters and energy e...

Q: What is erosion??

A: Several factors interact with rock on the surface and subsurface level. These factors include temper...

Q: What types of sediments and sedimentary structures usually reflect deposition in a deep-sea setting?

A: Sedimentology is the field of study that studies modern sediments, like sand, sill, and clay, and th...

Q: 7) Please answer the question in the picture

A: The fault shown in the picture is caused by extensional stresses where the principal stress axis act...

Q: Define water scarcity and water stress.

A: Human interventions and climatic influences have affected water usage since the industrial revolutio...

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: Discuss the use and over-utilization of surface and ground water.

A:     Water is the most abundant substance on Earth. It constitutes 78% of the total surface of the pl...