parallax," astronomers determined e is 0.00001389 degrees. NOT TO SCALE Sun star Earth 6a. How far away is the star from the Sun in astronomical units? Show your reasoning. * NOT TO SCALE Sun star Earth

Q: Where do humans get most of the water they used?

A: Water Distribution About 97.5℅ of total water available on earth is saline water and forms oceans, s...

Q: Q4. a)Deposit B contains 15,000,000 tons of ore containing 47% magnetite. Therefore, there is ______...

A: The iron ores have been found as banded iron ore deposits, as magmatic deposits, replacement deposit...

Q: How does the heat capacity, latent heat of fusion and latent heat of vaporization of water compare t...

A: Heat capacity is the amount of thermal energy taken by a substance to raise its temperature by one u...

Q: The new moon phase is in what lunar position (month 1)?

A: Moon phase, also called the lunar phase, refers to the shape of the sunlit reflected surface of the ...

Q: Describe folds and it's classification in detail.

A: Folds are geological features that form when layers of strata are bent or curved. Bending is nothing...

Q: Describe how the region’s fragile, often arid setting shapescon  temporary environmental challenges.

A: Different regions of the Earth have different weather conditions. Some of these weather conditions a...

Q: Sedimentary Rocks Clastic Non-clastic Limestones Volcaniclastic Terrigenous clastic Others Evaporite...

A: Sedimentary rocks are formed from pre-existing rocks or pieces of dead organisms. They form from acc...

Q: Does a solar eclipse occur during the new moon, first quarter, or full moon phase of the moon?

A: Solar eclipse occurs when a part of Earth is shadowed by the moon, which partially or completely blo...

Q: What are the differences between earthquake magnitude and earthquake intensity?

A: An earthquake is the shaking of the ground due to the sudden release of energy in the lithosphere.

Q: Who calculated that the Earth was created in 4,004 B.C.? Charles Lyell Nico Steno James Ussher James...

A: Before the advancement of science, Creationism theory was considered as the way of Earth's formation...

Q: What is the relationship of cirques to the formation of arêtes and horns?

A: A glacier is a body of ice that moves over the ground under the influence of gravity. It originates ...

Q: Do active galaxies emit the most of their energy at long wavelenghts?

A: Scientists study distant galaxies from the energy that they emit in the form of waves. The further a...

Q: Describe how coastal runoff of lowsalinity water produces a coastal geostrophic current and give a s...

A: The coastal runoff of low-salinity develops a surface chock that dips away from the coastal line, th...

Q: Describe plate tectonics and plate motion in detail.

A: The theory of plate tectonics has evolved from Harry Hess's concept of " Seafloor spreading." He pro...

Q: Describe distribution of Earth layers in terms of depth, state of occurrences and composition in det...

A: Earth can be divided into various layers on the basis of two methods, rheological and compositional.

Q: What is the difference between a sidereal month and a synodic month?

A: The term month comes from old English Mona meaning 'Moon.' It refers to the various moon phase used ...

Q: Describe Internal layers of Earth.

A: The formation of the earth took place around 4.6 billion years. Earlier it was a hot ball of magma, ...

Q: If a typhoon is located at 15 N and 138 E is it within the Philippine Area of Responsibility

A: Philippine Area of Responsibility Philippine Area of Responsibility is the area bounded by coordinat...

Q: Why are there rarely any clouds in the sky at the poles?

A: Clouds are the suspended aerosol particles found in the atmosphere. The main constituent of the clou...

Q: Explain how radiometric age dating works. Why does the parent material never totally disappear compl...

A: Radiometric Dating It is used to calculate the age of rocks or fossils. The age of rocks is calculat...

Q: If there is no compositional difference between two oceanic plates, what factor will determine which...

A: A tectonic plate is a massive irregular piece of landmass. Continental plates are lighter and older ...

Q: TYPES OF ENVIRONMENTAL POLLUTION What is the contrast between industrial development, urban growth, ...

A: Pollution is an undesirable change in physical and chemical or biological features of air, water and...

Q: 1. Describe the wind speed and air pressure in the different parts of a typhoon. 2. Describe the eff...

A: Typhoons are formed over a region having a low atmospheric pressure.  Wind rushes from the surroundi...

Q: Explain the relationship between agriculture and the environment.

A: Agriculture is the process of growing crops to provide food. The type of crops grown in a particular...

Q: In oceanic-continent convergence, the lower density continental plate is subducted beneath the ocean...

A: The earth is divided into crust, mantle, and core. The outermost part of the earth is the crust. It ...

Q: Why does Earth have plate tectonics and continents?

A: The earth's interior consists of three main layers Crust 0-35km, Mantle 36-2900km, Core 2901-6371km....

Q: why it is important to understand and determine where additions and reductions of soil have occurred...

A: The processes occurring on the surface of the earth that shapes the landforms are exogenic processes...

Q: During most a trip from Earth to Mars, we'll measure the velocity of a spacecraft with respect to ...

A: Escape velocity is the minimum velocity required by a free, non-propelled object to escape the gravi...

Q: In what way is care for the environment a form of spirituality?

A: The environment covers all natural living as well as non living components such as water, wildlife, ...

Q: Describe rock cycle in detail .

A: The transitions through the different spheres of the earth like tectonics, hydrology, atmosphere, an...

Q: Q#1.  (I) Identify the main sources of environmental pollution in the village. (ii)    What safety m...

A: (I) Main Sources of Environmental Pollution in Villages In villages, there are no such economic acti...

Q: 10. What is the mass? 70 20 200 300 tan 3 6. a. 272.5 cm b. 272.5 g c. 272.5 mL d. 272.5 cm 3

A: Mass in simple definition is the amount of matter in an object.

Q: Describe the chemical difference between illite and smectite and the implications of this difference...

A: Clay minerals are formed when the contact of rocks and water occurs either at or near the earth's su...

Q: Protecting the earth is what I do using molecules of three that stick like glue! Who am I

A: Ozone (O3) is a reactive gas containing three oxygen atoms. It is found in Earth's atmospheric layer...

Q: Show where a meteoroid, meteor, and meteorite are most likely to be found in the diagram below. Use ...

A: Meteoroids are rocky cosmic objects that float around in the outer space. Meteors are the meteoroids...

Q: Which factors influence a fire?

A: The elements that needed to start the fire are termed the fire triangle of ignition. The necessary f...

Q: In some streams water goes from the stream into the groundwater. This is called a: A) Influent strea...

A: Influent streams are also termed as the losing or disappearing streams. It refers to the water in th...

Q: parcel of moist air at 50°F, initially at 152 m mean sea level is forced to pass over a mountain rid...

A: Here, the air parcel ascends from an initial position with dry adiabatic lapse rate. At a certain le...

Q: Plot the sediment accumulation at rising sea level and write down the conditions under which such de...

A: The sea level was not like what was at present during the Pleistocene. The level of the sea increase...

Q: Question-based on which are minerals.   It is not A, B, C, D, and E altogether.

A: A mineral is a naturally occurring homogenous, crystalline substance having some definite chemical c...

Q: The shales represent what percentage (approximately) of rock materials closest to the ground surface...

A: Shale is fine-grained (Clay sized particle) clastic sedimentary rock. An essential feature in Shale ...

Q: How do fluid flow and transport affect the human environment?

A: Fluid flow and transport influence the occurrence of many of Earth’s most valuable resources. It he...

Q: Write down the expression that results from the flow analysis to calculate the volume of water flowi...

A: In the year 1856, a French hydraulic engineer named Henry Darcy put forward a law which gives the di...

Q: 1. What are the features of ocean basins? 2. What is the largest ocean basin on earth? 3. How have o...

A: Thee ocean floor covers more than 70% of the earth's surface.   Disclaimer: Since you have asked mul...

Q: The following observations were made in a stack of 11 meters thick: * In the limestones of 5 meters ...

A: a) In the 11m stacks there are three district formations such as limestone (5m), sandstone (4m) and ...

Q: What is sonar used for?

A: Sound Navigation And Ranging or commonly called Sonar, is a technique that uses sound propagation fo...

Q: Can a full moon be observed from Earth at moon? Why or why not?

A: Disclaimer : The second instance of the word 'moon' is believed to be the word 'noon'. Full Moon is ...

Q: How does new ocean floor form?

A: Formation of New Ocean Floor New ocean floor forms at mid oceanic ridges while it destroys at trench...

Q: Describe types of Earthquake and also describe man made and natural Earthquake in detail.

A: Earthquake is described as the sudden movement of the Earth's surface due to tectonic plate movement...

Q: Discuss reasons less-developed nations believe that the open ocean is the common heritage of all, wh...

A: All oceans are interconnected and connect all continents too. Before technology advancement of airpl...