7. Examine the graphs and explain why all weather (clouds, rain, snow, etc.) occurs in the troposphere.

Q: Describe the difference between a reflection nebula, an emission nebula, and a dark nebula and what ...

A: A nebula is a gaseous and dusty interstellar cloud. It is located in the dense region of interstella...

Q: How did volcanic activity influence the early development of life on Earth?

A: There are two important gases, which support the life and that are oxygen and carbon dioxide. Oxygen...

Q: Give an example of evolutionary convergence.

A: Earth is the third planet in the solar system. It formed almost 4.5 billion years ago. It is the onl...

Q: Soil as a Resource: Indicate which statements are true and which are false Both terracing and contou...

A: Agriculture is the art and science of growing crops, cultivating soils, and growing livestock. Many ...

Q: What forces are responsible for the motion of planets and other celestial bodies?

A: All celestial objects in the universe follow certain paths for their stability. The position of seve...

Q: Why does the fusion of heavier atoms require higher temperatures than the fusion of hydrogen?

A: Firstly, let us discuss something about hydrogen, Hydrogen: the symbol is H  atomic number 1   the ...

Q: What is the relative order (from oldest to youngest) of the layers in this cross section?

A: Relative dating is finding age of rock relative to other event or fossils or structure present near ...

Q: 2220 Gas 60190 3. 8 Pluto is a dwarf planet that is 3670 million miles from the Sun with a diameter ...

A: Daylight is a mixture of all the direct and indirect sunlight in a day. It includes direct, diffused...

Q: Why is the southern tip of South Africa such a dangerous place for rogue waves?

A: Waves are formed by energy passing through water. They are generated by the wind blowing over the se...

Q: How does wind blowing over a surface current influence the climate downwind?

A: Climate is the long-term average of the weather pattern of a geographical region. Climate is the ave...

Q: Classify the following hazards according to their types. Write your answer in the corresponding colu...

A: A hazard is any agent that can cause harm to humans and the environment. Risk is the possibility of ...

Q: You can determine the age of a cluster of stars by the life expectancy of the stars where on the H–R...

A: Small groups of stars are called star frameworks, and to some degree bigger gatherings are called st...

Q: Boundary type: and Type of plates: How it's formed:

A: The given diagram is of the oceanic continental convergence. There is a clear divide between the oce...

Q: How does the process that turns clay into shale differ from the process that turns sand into sandsto...

A: Geomorphology is the study of the landforms, structures, features, how they have formed, the sedimen...

Q: List 5 of the largest 13 cities in 2016.

A: The large cities : is a series of nearly contiguous metropolitan areas, which may be somewhat separa...

Q: What atmospheric layer comprises most of the atmosphere’s mass and generates the weather?

A: The atmosphere is made up of several layers like Troposphere, Stratosphere, Mesosphere, Thermosphere...

Q: The normal star spends ____________ of its life on the main sequence.   a. 10 percent   b. 2...

A: Answer will be option d i.e. 90%.

Q: Explain the greenhouse effect in some detail.

A: The atmosphere is a mixture of various gases that blankets the earth from the outer universe and is ...

Q: ___________________________ are small luminous nebulae excited by nearby young stars.   a. T-Tau...

A: Nebula is object in space which contain giant cloud of dust and gases. this are usually the region w...

Q: In a tsunami set off by a subduction-zone earthquake, why might the seafloor rise up while coastal l...

A: A Tsunami is a succession of enormously large waves which result due to earthquakes occurring in the...

Q: What is the height (in kilometers) and temperature (in degrees Celsius) of the following? a. Tropopa...

A: The atmosphere is comprised of several layers or strata’s where there are different characteristics ...

Q: Are we alive in the midst of a mass extinction event? In what ways are humans playing a role in mass...

A: The extinction of species at a mass scale is called mass extinction. This event can be considered if...

Q: If a cluster of stars is rich in T-Tauri stars, it is   a. a very old cluster.   b. a very b...

A: A star is an extra-terrestrial astronomical body that radiates its own energy due to the nuclear rea...

Q: How might volcanic activity shape a coast?

A: A volcano is a feature of the earth's crust where molten rock is released from the earth's surface. ...

Q: Thinking Analytically Imagine that you set your watch at local noon in Kansas City on Monday and the...

A: Earth is nearly a sphere. It experiences day and night effects due to its revolution and rotation.  ...

Q: Synchrotron radiation is produced by   a. objects with temperature below 10,000 K.   b. high...

A: The electromagnetic energy emitted by the charged particles moving ata high speed is known as Synchr...

Q: The first pulsar was discovered by _______________ in November of 1967.   a. Jocelyn Bell   b...

A: A pulsar-is a magnetized rotating star compact that emits a beam of electromagnetic-radiation from i...

Q: please answer question 2

A: The Earth system is composed of four subsystems, namely lithosphere, biosphere, hydrosphere, and atm...

Q: Describe smelting and some of its environmental effects

A: The extraction and processing of metals produce several gases in the environment. Some of these gase...

Q: Why are impact scars relatively rare on Earth?

A: The impact crater is nearly circular stress on the surface of the planet, the moon, or any other sol...

Q: Millisecond pulsars that are very old are   a. believed to be the result of mass transfer from a...

A: A pulsar is a spinning compact neutron star or white dwarf with strongly magnetized magnetic poles t...

Q: The energy source at the center of our galaxy   a. is not visible at optical wavelengths.   b...

A: A black hole is contained in the milky galaxy’s centre, having a mass of nearly 4 million solar mass...

Q: Choose one of the material cycles (carbon, nitrogen, phosphorus, or sulfur) and identify the compone...

A: I choose the carbon cycle. It influences the CO2 amount in atmosphere. Carbon is gone through all sp...

Q: O What happened to the houses and the land shown here? e Volcanoes are not spread evenly across Eart...

A: The magma present inside the earth when comes out through the weak zones or opening in the earth’s c...

Q: Without modern technology how to forecast the weather?

A: Weather is a phenomenon that expresses the atmospheric condition of being hot, wet, dry, outcast, or...

Q: Do you think the volume of the ocean is increasing, decreasing, or staying about the same over long ...

A: Ocean- About 71% of the earth's surface is covered by the oceans. An ocean is a waterbody made up of...

Q: 1. For each beach, sketch and explain how the shape of the beach will change through time: a. Indica...

A: The above diagram states a long show transport coming from the western side and moving towards the e...

Q: How fast does a tsunami move?

A: Tsunami is said to be repeated types of waves that hit the coast at a larger volume. This results in...

Q: What causes glacial advances and retreats during an Ice Age?

A: A glacial period is a time interval marked by colder temperature and glacial advances. It lasts for ...

Q: In the supernova explosion of a massive star, 99 percent of the energy is carried out of the core in...

A: Stars are astronomical objects with a luminous spheroid of plasma that is held together by the actio...

Q: What’s happening to the lava in the lava lake inside the volcano in Ethiopia? What largescale proces...

A: In the lava lake, lava flows like fountains. Currently, the lava lake is increasing again because of...

Q: We started with 80mm of soil in the mason Jar.  In some cases, after seperation of the sand, silt an...

A: Soil is a combination of clay, silt, sand and organic matters. They together form soil. The mason ja...

Q: The carbon-nitrogen-oxygen cycle   a. operates at a slightly lower temperature than the proton–p...

A: Firstly let us discuss something related to the  cycle,  CNO cycle: a catalytic cycle resulting in t...

Q: What do plants contribute to the soil? can use https://www.nrcs.usda.gov/wps/portal/nrcs/detailfull/...

A: The plants are the autotrophs which are the primary producers of food to the organisms. The plants a...

Q: What’s convergent evolution?

A: Firstly, let us discuss something related to convergent, Convergent: coming closer together  

Q: What evidence is there that an asteroid struck Earth at the end of the Cretaceous Period?

A: An asteroid of relatively big size struck on the earth at the end of the Cretaceous period, which is...

Q: What innovations did the Chinese bring to geology and ocean exploration? Why were their remarkable e...

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

Q: About 75 percent of the mass of gas in the interstellar medium is made of what element?   a. oxy...

A: The universe is all the time and space that includes all the galaxies, stars, planets, and all forms...

Q: Predict the Mt. St. Helens community after 2004. Justify your response. refer to picture

A:  One among the numerous active volcanoes known as Mount St. Helens located in Skamania Country, Wash...

Q: How would western Europe’s climate change if the Gulf Stream slowed?

A: The Gulf Stream is critical to the worldwide environment since it gives directing temperatures on ad...