The radiation emitted from a star has a maximum intensity at a wavelength of 300 nm. What is the temperature of this star?   a. 300 K   b. 100 K   c. 900,000,000 K   d. 90,000 K   e. 10,000 K

Q: Which of the following is a secondary air pollutant? A: CH_4 B: VOCs C: Ozone in the lower tropo...

A: Airborne substances that are present in more than enough quantity in air that they start impacting h...

Q: 10. Use the space below to write your observation based off the pictures of the lake in December and...

A: Water's existence in all three states of matter i.e., liquid as water, solid as ice, and gas as vapo...

Q: Describe the components of soils.

A: The surface of earth is made up of rocks, minerals and both of these breaks down to form soil. Plant...

Q: Which of the following spectral classes has stars with the hottest temperature?   a. A   b. ...

A: Based on the colour of the stars they classed into seven spectral types as M, K, G, F, A, B and O.  ...

Q: Why isn’t Tesla cars good for the environment

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Q: What two marine factors are most important in shaping beaches?

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

Q: Take the other two pancakes or modeling clay layers and put the cut edge just on top of the other cu...

A: Plate tectonics theory notes that underneath the earth's lithosphere, slabs known as plates float an...

Q: Why would the U.S. Navy have been interested in seeing such deepwatercharts produced?

A: The above figure shows the U.S navy making use of the Deepwater charts. These represent the world vi...

Q: Please answer this in short lines and can you please do this fast thanks

A: Gravity is a natural phenomenon by which all the things with mass and energy are bought together tow...

Q: Which of the following spectral classes has stars with the hottest temperature?   a. A   b. ...

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

Q: The circle below represents a planet. An earthquake occurs in the crust at the location of the red s...

A: Seismic waves are waves of energy resulting from a sudden break in the rocks of the planet's crust o...

Q: What was Sir John Murray’s main contribution to the HMS Challenger expedition and to oceanography?

A: Oceanography is the study of the physical, chemical, and biological features of the ocean. It also i...

Q: There are 6 liters of water in a container. It is transferred to a 10-liter container. What happened...

A: Let us discuss something about the Volume of certain form like solid, liquid, and gas, Solids: defin...

Q: How much longer can earth support life?

A: approximately in 300 million years earth is going to be inhospitable for lifestyle. then the terrest...

Q: Draw a cross-section through the atmosphere that defines troposphere, tropopause, and stratosphere.

A: The atmosphere is divided into several layers. After each layer, there is a pause where the temperat...

Q: Compared to Earth's continental crust, Earth's oceanic crust is A) thinner and more dense B) thinner...

A: The solar system got formed 4.6 billion years ago. The third planet of the solar system is our Earth...

Q: Why does seawater in most surface currents flow around the periphery of ocean basins?

A: Coriolis force tends to force the ocean current towards center of basin while due to pressure gradie...

Q: On which type(s) of island would you expect species richness to be greatest? a. small, near mainland...

A: The species richness in the island is generally depending on the distance from the mainland and the ...

Q: What’s a SOFAR layer? A shadow zone?

A: SOFAR is an ocean channel that allows sound to carry to great distances. The depth of SOFAR layer is...

Q: List the major events in the history of life that occurredduring each of the Earth’s eras.

A: Let's discuss Something about Earth, Earth is the 3rd planet from the Sun, it is the only planet wit...

Q: What are the main reasons for mortality with earthquakes?

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

Q: How is the tectonic history of eastern Laurentia different from the western Laurentia during Paleozo...

A: According to the plate tectonics theory, the surface of the Earth is made up of various hard lithosp...

Q: What factors affect the depth of the photic zone? Could there be a photocline in the ocean?

A: Photic zone is the uppermost layer of any water body that receives sunlight and allows phytoplankton...

Q: Explain the Big Bang.

A: Universe is all the space and time and all of its content which include galaxies, stars, planets, co...

Q: Explain what is meant by negative-feedback. Is negative bad?

A: Feedback- A feedback is a response of an event or a user towards the output of an input in a system....

Q: A piece of copper at 35 degrees Fahrenheit is dropped into a glass of water at 10 degrees Fahrenheit...

A: Heat is kinetic and potential energy obtained by molecule in an object which is transferred from a h...

Q: Describe the dynamics of population growth.

A: Population is the number of people or species living in a specific region or area. The Population gr...

Q: Define element

A: The answer is discussed in the next step,

Q: Differentiate primary succession and secondary succession. What are their similarities and differe...

A: The primary succession is a type of biological succession in the plant life, were the environment is...

Q: FACTORS AFFECTING CLIMATE 1. When Anna went to the Philippinesm she experienced a sudden temperature...

A: 1. Anna is an American and she went to Philippines. She went to a tropical country from a temperate ...

Q: What hurricane-defensive features should be incorporated into houses built near the Atlantic and Gul...

A: Due to the exposure of the Atlantic region and the Gulf of Mexico to strong hurricanes, high-speed w...

Q: Mind map about rocks,behavior,understress

A: Stress is actually the force exerted on the object with respect to the surface area. This stress whe...

Q: Pls help on this question. Please complete the whole diagram

A: A star is a celestial object that is composed of a luminous plasma spheroid,  that is held jointly b...

Q: 2.______________focuses on any surface changes on a volcano such as bulging, sinking, or tilting.

A: Volcanoes are ruptures on the Earth's crust through which hot lava, volcanic ash, pyroclastic materi...

Q: What is the cost to society when a company releases its waste materials into astream?

A: Waste material from company or industrial waste is one of the major sources of water pollution, afte...

Q: Repeat photography can be used to detect and document long term ecological changes. Cite one applica...

A: Ecological change is change or disturbance of ecosystem which is most often caused by human influenc...

Q: What pattern do you observe? O The midday sun is lower in in the sky in summer than in spring. The m...

A: The earth revolves around the sun as it lies in the center of the solar system. One revolution of th...

Q: List two ways to transition to renewable energy resources.

A: The energy that is useable again once used before is called renewable energy. These are completely r...

Q: Light from a hot, dense object will produce what type of spectrum?   a. absorption   b. Lyma...

A: Light from a cool, low-density object produces absorption. Light from a hot, dense object will not p...

Q: Explain the motions of air associated with warm and cold fronts. Why does each front produce differe...

A: A front is an air mass flowing from one direction to the other. Its unique feature is that it separa...

Q: Is there a need for a country near the equator to observe daylight saving time? Explain.

A: Daylight time saving occurs in summer season and is a practice of advancing the clocks by one hour. ...

Q: Please help those are the options

A: An air mass is a large volume of air that has uniform temperature and moisture. The Air masses prese...

Q: Can you provide an example of a nanoplankter? Microplankton? A femtoplanktonic organism?

A: Plankton are organism which are found in water which do not drive forward themselves against a curre...

Q: What best describes the geologic process of subduction? a. when convergent plates collide and ...

A: Earth is the third planet in the solar system. It has a rocky surface primarily made up of silicate ...

Q: Write detail note on irrigation mangement

A: Irrigation is an essential part of agriculture. The agriculture-based countries need to adopt some w...

Q: Which of the following is an example of nonpoint pollution? A: Toxic waste effluent from a facto...

A: Non-point pollution better known as non-point source pollution is a type of pollution having not one...

Q: Areas like Minnesota experience dramatic changes between summer and winter temperatures due to _____...

A: Since you have asked more than one question, we're answering only the first one (question 12), as pe...

Q: humans are superior to other forms of life? agree or disagree

A: Firstly, let us discuss something about Life, Life is a characteristic of physical entities that hav...

Q: List several goals or aspects of sustainability.

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

Q: What is isostasy, and how does it explain why mountains have roots?

A: Isostasy refers to the balance that exists within the crust of the earth. As is believed that the ea...