1. The mass of the earth is 5.98 x 10 kg. A 70kg person is travelling on an airplane which is at a distance of 6.39 x 10° m from earth's center. Determine the gravitational force between the earth and the person.

Q: Discuss the strength and weaknesses of the Australian Joint Ore Reserves Committee Code (JORC Code)

A: Australian joint Reserve Committee Code  (JORC) was established in 1971 that  published many  report...

Q: 25.The second most common minerals of the Earth's crust are silicates: True False

A: Rocks are naturally occurring aggregates of minerals. The Earth's crust is composed of different typ...

Q: Is environmental degradation threat to health?

A: First, let's discuss, Environmental degradation is a process in which the natural environment is red...

Q: 26/Generally, crystallization is the only process that form minerals of magmatic origin, choose an o...

A: Minerals are naturally occurring solid inorganically formed which have a definite chemical compositi...

Q: Answer provided clearly please

A: basin and ridge topology is a alternating landscape of parallel mountain ranges and valleys  its for...

Q: Reserves represent the total amount of valuable geologic material in all deposits: True False

A: Mineral deposits naturally occur due to the concentration of minerals in insufficient size. And unde...

Q: weather forecast models aren't always accurate in predicting local weather conditions.   give me fiv...

A: The location distribution of climate conditions in regional information release through the weather ...

Q: 1.What type of melting takes place when a body of hot mantle rock moves upward and the pressure is r...

A: Magma is the hot, molten form of solid rocks. Magma is essentially the mixture of various kinds of m...

Q: Rising mantle plumes from "hot spots" produce uplift and 1. transform faults 2.andesitic volcanoes 3...

A: Transform faults are developed by when two plates are side pass each other.  Andesitic volcanos are ...

Q: State True or False: Scientists are forecasting a global warming of between 2 and 11 degrees Fahrenh...

A: The global level of temperature rise is due to the rise in concentrations of greenhouse gases in the...

Q: Worldwide, the oldest rocks at the ocean floor are about 180 million years old. In contrast, the old...

A: Oceanic rocks are younger than continental rocks due to continuous subduction of these rocks into ma...

Q: What parts of the world will be underwater as sea level rises, inch by inch, foot by foot?

A: 71% of the Earth's surface is covered with ocean. The polar regions of the Earth are a source of wat...

Q: Explain why thermoclines are best seen in the topics and not seen much in polar regions.

A: A section of water under the mixed section in which a sudden change in temperature that is measured ...

Q: Describe Wind erosion?

A: Erosion is the process of destruction of existing rocks and removal of the product from the site of ...

Q: 42. What is the minimum data set that can be interpreted to yield two depths for a 1-interface model...

A: The seismic refraction methods are based on the study of the times of the arrival of the seismic wav...

Q: 5.Asymmetrical ripples are produced by a, back and forth movement of waves in beach environment back...

A: Ripples are elongated crests that are created on sediment surfaces. They are formed perpendicular to...

Q: 3.Quartz is an example of rock-forming minerals Select one: 1. True 2. False

A: The rocks are aggregates of minerals. minerals forming from melt is following an order called as Bow...

Q: A concrete coated steel gas pipeline is to be laid between two offshore platforms in 100 m water dep...

A: The pressure and magnitudes encompass by the oceanic waves represent through waves theory. It often ...

Q: The Crew for Apollo 11 Where Neil Armstrong, Allen McCloud, and Michael Collins True Or False?

A: Ever since the formation of the Universe, matter and energy were also created. These matter and ener...

Q: 10. Covalent bonding is more common in sulfide minerals as compared to silicate minerals Select one:...

A: in earth crust some minerals are formed through ionic bonding, some are formed due to ionic + covale...

Q: what must be accounted for with objects travel large distances on earth

A: Let us discuss the Earth, Earth is the 3rd planet from the Sun and is the only planet known to thriv...

Q: Long before living organisms developed the nitrogenase system, there was ammonia in Earth’s atmosphe...

A: Nitrogen fixation is some method by which the nitrogen in the atmosphere is converted to ammonia or ...

Q: What do you mean by agroforestry is the growing of small things and tall things together

A: Agriculture is a practice and science of cultivating plants for food it is one of the key factors in...

Q: Could scientists perfectly simulate the entire universe in a computer, down to the last atom?

A: The universe got formed around 13.8 billion years ago. The Big Bang theory tells us about the origin...

Q: shade the circle of the correct answer

A: Star is an astronomical object which has a sphere of light around it due to plasma and are hold toge...

Q: 28/Magma chemistry continuously changes due to the processes of crystallization that take place duri...

A: Magma is the hot, molten form of rocks. Magma is generated by the partial melting of the rocks or so...

Q: 13. Orthoclase is an example of framework silicate structure. Select one a. True b. False

A: Orthoclase is also called as k-feldspar or alkali feldspar mineral which have chemical composition o...

Q: Discuss into details any mineral classification system apart from the U.S.A mineral classification s...

A: Firstly let us discuss this, Professor James Dana of Yale University in the U.S.A  (in 1848). Dana s...

Q: 39. Seismic velocity of materials depends upon the elastic moduli of the material. Anelastic modulus...

A: Seismic waves are the waves generated due to the release of energy due to an earthquake. Generally, ...

Q: help

A: we experience the solstice due to the tilting of the earth and earth's rotation. while rotating, the...

Q: 13/Select the correct matching of mineral with its group. a.pyroxene >>>>> silicat...

A: Minerals are naturally occurring substances made up of fixed chemical composition and have a specifi...

Q: Explain how plate tectonics cause earthquakes, volcanoes and tsunamis.

A: Plate tectonics theory states that below the earth’s lithosphere, there are slabs, called plates tha...

Q: Effects of natural disaster in Indonesia

A: A natural disaster is a major catastrophic event from the earth's natural processes; Examples includ...

Q: Which of these elastic moduli describes the ratio between volumetric stress andvolumetric strain?a. ...

A: Stress is described as the force applied per unit area. Stresses are responsible for the geological ...

Q: Owing to a rain shadow, which of the following cities will experience a DRIER climate? Seattle, Wash...

A: Rain shadow is dry area at the leeward side of the mountain .Lee sides are away from wind. So basica...

Q: Q1 / Define the following (select four): (1) Depth of penetration (2) Sferics (3) magneto-telluric f...

A: Electric resistivity  method of exploration calculate  resistivity of different formation or soil to...

Q: 6.The second most common minerals of the Earth's crust are silicates: True False

A: Rocks are naturally occurring aggregates of minerals. The Earth's surface is composed of solid rocks...

Q: 20/Which is not regarded as a low - grade metamorphic rock a. slate b. phyllite c. gneiss d. ...

A: metamorphism is alteration of rock this change in rock occur mostly due to pressure and temperature ...

Q: 4.A magma that is rich in Fe and Mg will contain minerals such as augite and Select one: True False

A: Minerals are naturally occurring substances that have a specific solid structure and a fixed chemica...

Q: Which do you think is bigger threat from higher levels of atmospheric carbon dioxide,global warming ...

A: Carbon dioxide is a greenhouse gas that absorbs large wavelength terrestrial radiation and is the ma...

Q: Assuming no groundwater, calaulate the factor of safety for a 13° slope, given that ys = 120 lbs/ft3...

A: Given,  slope= 13°depth of weakest plane below surface=h= 7 ftslope distance= d=hsin 13°⇒d=7sin 13°=...

Q: Which of the following statements about Snell’s law in the context of a seismicsurvey is incorrect?H...

A: Seismic surveys basically requires the technique of generating seismic waves and measuring the time ...

Q: Earth Science Question

A: The industrial effluents, if directly is discharged into river or other water bodies, it cause water...

Q: 3/Hornblende polymerizes as single sheets of silicate tetrahedra: True False

A: Minerals are naturally occurring substances that have their fixed crystal structure and specific che...

Q: 24.Plagioclase minerals are an example of : 1. diamorphism 2. polymorphism 3. pseudomorphism 4. i...

A: Mineral is a naturally occurring material that has a specific crystal structure and a fixed chemical...

Q: Decomposers are heteroytophs because they eat dead plants and animals O True O False Question 9 Hete...

A: The autotrophs can make foods by taking energy and other chemical compounds from outside. heterotrop...

Q: thank you

A: Surface water movement in the sea depends on the factors like wind, the Coriolis effect, Ekman's spi...

Q: Mhich of the following is an input devices A Modem BScanner OLoud speaker ibPrinter

A: The modem is both an input and output device because of which receives and send data.  A scanner is ...

Q: Which of the following is considered a decomposer? O bacteria O scavenger O lion O grass

A: A decomposer is an organism that feeds on dead and decaying organisms and, by their metabolic activi...

Q: 14) The approximate thickness of the continental crust is about a) 2-5 Km b) 40-70 Km c) 100-200 Km ...

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question s...