Virgin Galactic and Blue Origin are both hoping to be the first private company to   a launch civilian orbits to the International Space Station   b deliver supplies to the International Space Station   c launch civilian tourists into space   d launch military reconnaissance satellites into sun-synchronous orbits

Q: Describe the change in grain size from slate to Phyllite to schist.

A: Metamorphism can be understood as a process in which preexisting rock alters due to temperature pres...

Q: A. Planet Zindau has an equal distribution of land and water between both hemispheres. B. Planet Zin...

A: Milankovitch cycle explains how seasons in earth changes with changes in the earth's orbital paramet...

Q: 8. What is the difference between aphanitic and phaneritic igneous rocks? What does this imply about...

A: There are many textural parameters to define the characteristics of igneous rocks. One such paramete...

Q: What dangers threaten coral reef communities?

A: Coral reefs are diverse, underwater ecosystems, identified by the reef building corals. These are ec...

Q: Fine texture Soil structure is ------for plant root O poor not good O good

A: There are three types of soil texture- coarse, medium and fine.  Fine or clay soil consists of small...

Q: Oxidation and reduction take place simultaneously in many chemical processes. Define oxidation in te...

A: Oxidation and reduction are the principal sources of energy, both natural or biological and artifici...

Q: لوکی ثقتل 3.7 Gold has a specific gravity of almost 20., Ifa 25 liter pail of water weighs about 25 ...

A: For describing the density of the minerals, the term Specific gravity is used. The specific gravity ...

Q: Solved the puzzle

A:

Q: What is an overburden in mining?

A: The process of extraction of valuable mineral resources and geological materials from the ore body, ...

Q: 7. What are the characteristics of mafic magmas (silica content, temperature at eruption, viscosity,...

A: Magma generated inside the Earth by the melting of solid rocks has different compositions. Broadly s...

Q: State and explain the assumption on which the law of radioactive decay is based.What is meant by the...

A: The law of radioactive decay is based on the assumption that the rate of disintegration of an atom i...

Q: Can you think of any way to prevent a cataclysmic asteroid or comet impact once the object’s path ha...

A: Asteroids and comets are extraterrestrial materials that come within Earth's atmosphere occasionally...

Q: How are the basic features of the Wopmay orogen typical of orogenic belts in general?

A: Orogenic belts are the events comprising structural deformation and differentiation in compositions ...

Q: Two exoplanets, UCF1.01 and UCF1.02 are found revolving around the same star. The period of planet U...

A:

Q: What is wind? What causes wind?

A: Wind is an important component/element of the weather and climate.

Q: 5. What change will a pebble usually undergo when it is transported a great distance by streams? A) ...

A: A Pebble is a sedimentary grain of rock size ranging from 4 to 64 mm. Pebbles of various rocks are t...

Q: True or False: The number and the size of earthquakes decrease before a volcanic eruption. A True Fa...

A: Earthquakes and volcanoes are both a product of plate motions and hence are intrinsically linked. Wh...

Q: How does weather differ from climate? Describe at least seven ways how weather and climate influence...

A: Weather and climate are two important parameters to determine the habitability of any geographical a...

Q: What are the four common bedding structures of stratified rocks?

A: When sediments are deposited in layers one over the other, they form bedding structures. They can ra...

Q: Wave-swept beaches are subjected to the same conditions as the intertidal community but support vast...

A: The wave swept beaches are part of the shore where sediments swept away under the influence of waves...

Q: Has anything been learned by sealing a message in a bottle and setting it adrift?

A: Generally, any message written on a piece of paper is put inside an empty bottle and seal it by eith...

Q: Explain what graded bedding is and how it forms.

A: Sedimentary rocks are rocks formed from compaction and cementation of sediments. These sedimentary r...

Q: Explain the causal factors of the prevailing pollution in the area

A: When harmful substances contaminate, the environment is known as Pollution. It refers to the bad con...

Q: Match the description or compound with the correct term. carbon dioxide [ Choose ] [Choose] nitrogen...

A: A primary pollutant is an air pollutant that is directly emitted to the atmosphere from the source, ...

Q: Does the radiation emitted by Earth’s surface have longer or shorter wavelengths compared to solar r...

A: 1. The radiation emitted by the earth's surface, terrestrial radiation have longer wavelength than s...

Q: The fundamental force responsible for bringing gasses together to form stars is: gravity electromagn...

A: The fundamental force responsible for bringing gases together to form stars is gravity.  

Q: Can someone answer this? Thanks!

A: One of the major objectives of geology is to determine the age of geologic structures and events. Th...

Q: What instrument is used to measure the angle of the slope of a volcano? А altimeter B tiltmeter seis...

A: Altimeter is used to measure the altitude. Tiltmeter is an instrument, which is used to measure the ...

Q: Choose the correct word to complete the following sentences

A: On the Earth's surface, regions of high and low pressure are created due to ascending and descending...

Q: What's the difference between ozone and oxygen?

A: The chemical formula of oxygen is O2. It is made up of two oxygen atoms sharing a covalent bond.  Th...

Q: What kinds of organisms formed reefs in Cambrian time? What kinds of organisms performed this role d...

A: The geological time scale has been divided into different eons, eras, periods, and epochs. Each unit...

Q: What are environmental consequences of urban growth in developing countries?

A: Urban growth is defined as an increase in urban land cover.

Q: What is Phytoremediation? Clearly state the objective in short concise statements and describe your ...

A: Phyto means plants. Plants are of great importance on Earth. They are a major part of the ecosystem ...

Q: Which of the following lists of discoveries about the universe is in the correct chronological order...

A: 1543 – Nicolaus Copernicus published his model- the heliocentric universe in his De revolutionibus o...

Q: If the Richter scale is altered so that it compares energy released instead of intensity, the defini...

A: The Richter scale was made by Charles F. Richter is a scale used for quantitative measuring the stre...

Q: 9. How do porphyritic igneous rocks form? Which minerals would you expect to be the phenocrysts in a...

A: Porphyritic rocks are characterised by the porphyritic texture, which essentially has a bimodal grai...

Q: Explain the quotation given by Ms. Gina Lopez about mining. "Yes, mining creates a few jobs and perh...

A: Mining is the process of extraction of minerals of economic importance from the earth's interior. Th...

Q: Describe the layered structure of the earth.

A: The earth is the terrestrial planet that revolves around the sun. The age of the earth is around 4.6...

Q: Plot

A: The red dots in the figures are the corresponding latitude and longitude given by the table.

Q: What were the greatest objections to Wegener’s hypothesis?

A: Tectonic activities helped the continental as well as oceanic plates to move and initiate complex ge...

Q: What are advantages and disadvantages of renewable energy resources?

A: Renewable energy resources are resources that are never-ending in nature. They are sustainable resou...

Q: Suggest why water companies need 25 year plans.

A: Water is an essential natural resource present on the earth that is needed by all living organisms. ...

Q: Explain concisely why aqueous copper(II) sulphate is acidic

A:

Q: The two fault lines are active. Fault Line 1 recorded 10 Earthquakes for the past 50 years while the...

A: An Earthquake is the Sudden shaking of land due to faulting and the release of seismic energy.Faulti...

Q: What can improve accumulation of Boron (B) by carrots on Ca-rich acidic soil?

A: For the plants' growth, Boron is an essential micronutrient; without it, the plants' flowering and f...

Q: How many cooling degree-days would there be for a day with a maximum temperature of 85o F and a mini...

A: When the base temperature is  65°F cooling or heating should not be comforted. The difference betwee...

Q: How does the daily cycle work for sea breezes and land breezes?

A: Winds are the movement of air due to variation of temperature and pressure over the area. Due to the...

Q: Explain the Torino scale of impact threats.

A: The creation of the Torino scale was done by Professor Richard P.Binzel from the department of earth...

Q: Problem 3. Physical Features of the Giant Planets: Size of Uranus (Palen, et. al. 1st Ed. Chapter 8 ...

A: Relative motion between earth and Uranus= 23km/s The star disappears for 37 minutes 2 seconds i.e. (...

Q: What general climatic and oceanographic conditions characterized the mid-Cretaceous world?

A: It is now a well-known fact that the climate of the earth has varied in the geological past. Indirec...