1. Find the elevation of the contour lines furthest east, west, and south 2.what is the elevation of X (Aprox.)

Q: please answer question 8

A: Thunderstorms / Rainstorms are said to be dramatic events involving rain, wind, lightning and thunde...

Q: A star’s classification is K5 III. What type of star is this?   a. supergiant   b. giant ...

A:  It is a main sequence star.

Q: If the orbital velocity of an eclipsing binary is 97 km/sec and the smaller star is completely eclip...

A: Orbital velocity = Diameter of the startime 97 km/sec = Diameter of the star7,200 sec Diameter of th...

Q: What is environmental literacy?

A: The environment is composed of all the living and non-living things on earth. It can imply the entir...

Q: Please answer the two sections in this question

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

Q: Which stars produce energy using the proton–proton chain?   a. Low-mass main-sequence stars. ...

A: Nuclear fusion is a process in which 2 or more atomic nuclei are combined to form one or more differ...

Q: What percentage of stars are in binary systems?   a. 10% or less   b. 20%   c. 30%   ...

A: Stars are those parts of universe which act as center of innumerable galaxies in the universe. There...

Q: Some of the largest floods of the past 20,000 years resulted from failure of ice dams. Explain this ...

A: Flooding is one of the most serious natural catastrophes. It occurs when excess water is collected i...

Q: Why is atmospheric circulation between the two hemispheres centered about the meteorological equator...

A: The rotation of the atmosphere is longitudinal and lateral air movements, forming cycles of various ...

Q: Intensities being equal, which color of light moves farthest through seawater. Least far?

A: The ocean covers 71% of the earth's surface, thus it receives more amount of sunlight than land. Sun...

Q: Which phrase best describes the water cycle? O A. An evaporating process O B. A varying process O C....

A: The water cycle is the movement of water through the lithosphere, atmosphere, biosphere, and hydrosp...

Q: Which of the following best obey the mass-luminosity relation?   a. main-sequence stars   b. ...

A: Mass-luminosity relation is the relationship between mass and luminosity of stars.

Q: Speculate on one method that a country could employ to attain a sustainable population?

A: Let us discuss something about sustainable, Sustainable: the capability to maintain a certain rate.

Q: Explain  1.Overpopulation of people 2.Exhaustion of the world’s natural non-renewable resources from...

A: A population is a group of individuals. A population can be of an entire nation or any community wit...

Q: ____________________________ is the thermonuclear fusion of hydrogen to form helium operating in the...

A: Nuclear fusion is a process in which 2 or more atomic nuclei are combined to form one or more differ...

Q: How does water circulate from top to bottom and north to south in the Atlantic Ocean?

A: Earth is a terrestrial planet, meaning it has a rocky surface that is primarily consisted of silicat...

Q: In the universe are charges finite or infinite?

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

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: A star’s luminosity depends only on the star’s   a. distance and diameter.   b. temperature ...

A: Stars are one of the most important parts of our universe as they are the one who are at the center ...

Q: Please answer all three section in the photo

A: Almost all seismicity, volcanicity, and tectonic activity are localized around plate margins. The zo...

Q: A farmer planted three wheat varieties viz. Borlaug, Zincole-2016 and Pakistan 2013. During threshin...

A: Wheat is the crop that is grown at large all over the world. It is the crop that helps in formation ...

Q: Word Definition weather climate

A: Meteorology is a branch of atmospheric science which uses chemistry and atmospheric physic to study ...

Q: Why is plastic so dangerous to marine organisms?

A: The ocean is home to a variety of organisms. The increasing use of plastic and plastic pollution in ...

Q: Thinking Critically How is a population different from a community? A niche from a habitat?

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

Q: _________________________ are starlike objects that contain less than 0.08 solar masses an will neve...

A: Brown dwarfs are starlike objects that contain less than 0.08 solar masses and will never raise thei...

Q: What is the difference between absolute and apparent visual magnitude?

A: Firstly, let us discuss something about the magnitude, Magnitude: The size, extent, or importance of...

Q: A parsec is the   a. average distance between Earth and the sun.   b. the distance that ligh...

A: Astronomy is study of all the object and matter in the universe after the earth atmosphere, this inc...

Q: Generally, which of these has the primary influence on the temperature of a planet's surface? ...

A: Although every factor mentioned above influences the temperature of a planet but primarily the dista...

Q: What is the difference between flux, luminosity, and absolute visual magnitude?

A: Flux has defined the ratio of the total quantity of energy cut off by a light detector like eye, cam...

Q: Thinking Analytically How much wider has Iceland become because of seafloor spreading since the last...

A: The formation of Iceland began about 60 million years ago when the boundary between the Atlantic (th...

Q: The reason ocean basins are low and continents are high is that they have contrasting densities beca...

A: Earth is not a homogeneous body and it is composed of various layer which have their distinctive pro...

Q: How does a fire tornado form?

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

Q: Explain what is meant by weather and its important to human existence.

A: Weather is an atmospheric condition which is a set of certain conditions like hotness, coldness, clo...

Q: Explain what solar wind is and how its related to the formation of Aurora Borealis. Draw a diagram t...

A: A natural electrical phenomenon portrayed by the presence of decorations of rosy or greenish light i...

Q: Describe some emergent properties of ecosystems.

A: The ecosystem is the combination of natural habitats including biotic and abiotic components of natu...

Q: Knowing what you do about the factors controlling the density of ocean water, can you suggest in whi...

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

Q: List seven climate “wedges.”

A: Climate is the long-term average of the weather over almost 30 years. The primary factors of climate...

Q: Which types of stars have the widest spectral lines?   a. Ia   b. Ib   c. III   d. I...

A: Our universe which got formed around 13.8 billion years ago has infinite extension and infinite cele...

Q: The main sequence has a limit at the lower end because   a. low-mass stars form from the interst...

A: The main sequence has a limit at the lower end not because low-mass stars form from the interstellar...

Q: What are the four subprocesses of the Wellman-Lord (W-L) regenerative process?

A: The Wellman-Lord regenerative process is a method of removal of sulphur dioxide from flue gas withou...

Q: What factors caused the collapse of bluefin tuna populations?

A: Bluefin tuna is a species of tuna native in west and east Atlantic Ocean and some part of Mediterran...

Q: In the shale unit, you find the following fossil:

A: A Fossil is a preserved remains of an organism, its impression, or its traces. The organism when get...

Q: Explain about the Learning in Birds ?

A: Birds- Birds belong to the class aves and they are warm-blooded vertebrates. Aves are characterized ...

Q: What is the identity of this fossil? Brachiopod   Trilobite Gastropod Ammonit...

A: This is a trilobite fossil.

Q: state at least three (3) PROS and (3) CONS of fire.

A: Fire- Fire is defined as an exothermic chemical reaction that occurred due to the combustion of a su...

Q: What is Secondary succession in a forest ?

A: Secondary Succession is a type of succession in which the flora and fauna of an area colonize the ar...

Q: The wavelength region of the electromagnetic spectrum in which protostars are most easily observable...

A: Protostar is a very young star which has still to form or gather mass from the cloud or gas from whi...

Q: 1. What are the major greenhouse gases? What is the total emission measured in metric tons? Which ga...

A: since you asked multiple questions, only the first three were answered. Please select the question t...

Q: The Sun appears to be red as it sets because: 1. Air absorbs red light less than other frequencies (...

A: The solar system is the gravitationally bound system of planets, moons, and other celestial objects ...

Q: Name and describe the layers of Heterosphere.

A: The heterosphere is the layer of air that is separated by the molecular mixing of gases. As the mixi...