If you lived at the equator on December 21-22, would you look toward the north or south to see the Sun at noon

Q: The time required for one earth rotation is about

A: Due to inertia during the formation of the Sun and all the planets, Earth, like all the other planet...

Q: Write down the names of fertilizers that are commonly used in Pakistan for crop growth and developme...

A: In Pakistan several crops including paddy, wheat, cotton, sugarcane etc are grown in different regio...

Q: What is curious about the Neoproterozoic rocks known as cap carbonates?

A: Cap carbonates are layers of uniquely textured carbonate rocks such as limestone or dolomite, which ...

Q: What can the study of oxygen isotopes tell us about ancient oceans?

A: Isotope geochemistry is the study of naturally varying abundances of isotopes of elements used in ge...

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: What season is described to December 21-22 date in the northern hemisphere and Southern Hemisphere?

A: The seasonal variation on Earth is due to the tilt on its axis. The two hemispheres receive solar ra...

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: Why you should study structural geology?

A: Geology is the scientific study of the Earth. The study includes the internal as well as the externa...

Q: Out of sand, silt and clay which particles will settle down first in graduated cylinder during textu...

A: Texturally (considering only the sediment size), Sand is a grain or particle size ranging from 2000 ...

Q: What economic deposits are there on the sea floor?

A: A sea is defined as a part of the ocean that is partially surrounded by land. Seas are smaller than ...

Q: Discuss the Structure of the Ecosystem and give examples for each structure

A: An ecosystem is defined as the community of living organisms interacting and living in association w...

Q: 1 m3 of sandstone drains 0.12 L of water under the force of gravity. What is the specific yield of t...

A: Sandstone is a clastic, arenaceous sedimentary rock composed of quartz grains. Sandstone acts as a v...

Q: The Cretaceous-Tertiary extinction event was caused when an asteroid impacted Earth approximately 66...

A: A mass extinction is an event that leads to loss of at least three quarter of all species in existen...

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: Plot each latitude amd longitude

A: By processing the data from the above table and plotting the location pain on the map.

Q: Which would be a key contribution of seismology to understanding the cause for mountains, volcanoes,...

A: Seismology is the scientific study of genesis of seismic waves and their propagation. This study als...

Q: True or False: Lava cools so quickly that there are never any visible mineral grains in it. True Fal...

A: Lava is defined as extrusive magma. Magma is the molten rocks that are present inside the Earth's su...

Q: Define environment

A: The environment acts as a life support system for us as we get various things from the environment l...

Q: Even though Cleveland is farther north than Kansas City it can have warmer winters because: Oa Cleve...

A: The greater the absorbance of solar energy or solar radiation, the greater will be the absorbing bod...

Q: True or False Microwave spectral region provides weak wavelength?

A: Microwaves have short wavelength

Q: A series of experiments was designed to test the effects of ultraviolet (UV) radiation on the produc...

A: The ozone hole is a phenomenon in which thinning of the ozone gas layer present in the stratosphere ...

Q: What roles might each layer have on the atmosphere ?

A: Earth's atmosphere is predominantly made up of gases like Nitrogen 78%, Oxygen 21%, Argon 0.93%, Car...

Q: A student is concerned with the amount of air pollution students are exposed to in the school’s park...

A: As the amount of air pollution caused by a certain vehicle depends on the amount of particulate matt...

Q: Describe the “greenhouse effect”?

A: In recent years climate change has been a serious alarming issue. Climate change is caused by the gr...

Q: What makes air stable or unstable, and how does this influence cloud formation and precipitation?

A: Gravity pulls the air towards the surface, and the decreasing pressure upwards allows the air to ris...

Q: What are three Milankovitch cycles?

A: Milankovitch cycle describes the effect of changes in the Earth's movement on its climate over time....

Q: Calculate the temperature of an unsaturated air parcel at 100 m increments as it rises from earths s...

A: An unsaturated air parcel rises from the earth surface and it adiabatically expands and cools. This ...

Q: The difference in heat distribution between the poles and the equator is due to Earth’s a. orbit aro...

A: The Equator is the imaginary line on the surface of a rotating sphere, passing through the center of...

Q: Which of these events will cause change to the climate in fastest rate? A Human activities emitting ...

A: Earth's climate essentially depends on temperature and temperature directly related to solar insolat...

Q: What features typify sediments that accumulate in the centers of lakes?

A: Lake sediments comprise clastics such as sand, silt, clay, organic materials, and chemical residues....

Q: Out of sand, silt and clay which particles will settle down first in graduated cylinder during textu...

A: Texture refers to the size, shape, and orientation of sediments in a rock. Here we are considering o...

Q: Home work: from test data of infiltration experiment, D= 2.5 cm @ t= 15 minute and D = 8 cm @ t= 100...

A: Depth of infiltration = 2.5 cm Time taken to 2.5 cm = 15 min. Base infiltration rate  = 2.5cm × 4 = ...

Q: 1. A 100 cubic centimeter soil sample is saturated.  The water content Vw is 45 cubic centimeters.  ...

A: The volume of pores is usually calculated to find the porosity of the Rock/Soil sample. Porosity is ...

Q: Describe in detail the use of GIS in Land use suitability analysis in Urban Planning. NOte: please a...

A: GIS stands for Geographic Information System. It is essentially a computer system that obtains, stor...

Q: What kinds of stratigraphic correlation do geologists undertake?

A: Stratigraphic correlation is the method of comparing and correlating the different stratigraphic suc...

Q: Explain water table aquifers and artesian aquifers. Illustrate. Include water levels, wells, etc.

A: Aquifers are rock units that can store and transmit water at a sustainable rate, aquifers store grou...

Q: What features make Earth a more hospitable place than other planets for life as we know it?

A: The primary requirements for formation and survival of life are Energy, Water and the ambient temper...

Q: What is the pattern of wind circulation associated with a surface cyclone in the northern hemisphere...

A: Coriolis effect describes the pattern of deflection of objects due to the Earth's rotation. The wind...

Q: The environmental and climatic factors on Mount Elbrus have similarities and difference compared to ...

A: Mount Elbrus Mount Elbrus is located in Eurasia and is the highest peak in Eurasia. It has two dorma...

Q: On June 21-22 are the Sun’s noon rays directly overhead at the Tropic of Cancer, the equator or the ...

A: A solstice is a day when the sun reaches its maximum and minimum declination. It marks the days with...

Q: Where does the heat come from that drives mantle convection and plate motion?

A: Division of the earth's interior is also done based on rheology. This division is different from the...

Q: What caused large quantities of sediment to accumulate in the south-central part of Euramerica durin...

A: Sediments are produced due to weathering and erosion of the rocks, which then get compacted and ceme...

Q: A 500 MW coal-fired power plant burning bituminous coal has a capacity factor of 0.78 and a thermal ...

A: A coal-fired power plant is a thermal power plant that generates its electricity from the steam gene...

Q: Where does the word How are intrusive igneous rocks formed and what do they look like? igneous come ...

A: Igneous rocks are one of the three types of rocks found on the earth; others are metamorphic and sed...

Q: Which of these geological tools would not be useful for determining if a volcano might erupt? A seis...

A: Before a volcanic eruption, usually many signs are given off like the increase in number and size of...

Q: Explain the concept formation wettability challenges in brief ?

A: The wettability of a liquid is a liquid's ability to stick to or spread over a surface. Mercury is s...

Q: Imagine you are in a spaceship exploring an alien solar system. You come across a very large rocky o...

A: Planet is defined as any body in the space that has its own gravitational force, and orbits around t...

Q: Explain the wide annual range of temperatures in Siberia?

A: Siberia is a vast continental region of Asia, situated in Russia. The extensive continental region i...

Q: Why soil texture is a permanent soil property?

A: Soil texture is defined as the ratio of sand, silt, and clay-sized particles that make up the minera...

Q: Give some general examples of the use of actualism to interpret ancient rocks.

A: The concept of actualism/uniformitarianism implies that the processes altering the earth at present ...