Q1) Answer with True or False * the shell in Echinodermata called skeleton

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A: Atmospheric pressure, or barometric pressure, is the amount of pressure within the Earth's atmospher...

Q: Photovoltaic cells convert sunlight into alternating current electricity Select one: True O False

A: A photovoltaic cell is also called a solar cell. It is an electrical device that converts light ener...

Q: What reference ellipsoid is used in the broadcast message of GPS?

A: The actual shape of the earth is considered geoid as it is not a complete spheroid. The earth bulges...

Q: What is an index fossil? What do index fossils reveal about other material found with them?

A: Fossil is preserved remains and impressions or traces of any organism from a past geological age. Th...

Q: My question is on Meteorology: " What parcel temperature will be obtained after lifting an unsaturat...

A: The adiabetic lapse rate of a dry unsaturated parcel of warm air with no liquid moisture like clouds...

Q: why the tsunami waves arrived almost an hour after the seismic waves of the earthquake hit the islan...

A: The unexpected and short-acting vibrations that affect the surface of the earth that varying from a ...

Q: Describe about the Erosion control function in Geosynthetics?

A: Geosynthetics are artificial products that are designed and install to stabilize the terrain. These ...

Q: Which of the following statements is/are true?

A: Primary energy resources: Primary sources of energy are original, naturally occurring fuels. These c...

Q: Describe the motion of stars

A: The Universe is made up of various types of matter. These include the galaxies, planets, natural sat...

Q: Are tides and waves the same thing Are tides waves the same thing

A: Waves propagate the disturbances from one point to another and can be periodic in nature.  Waves hav...

Q: Distinguish between flood tide and ebb tide.

A: Tides are the longest waves that move across the ocean in response to the moon's energy and the sun....

Q: Describe why it is important that the geotextiles (geofabrics) consist of synthetics and not natural...

A: Geotextiles are good products applied with rock, soil, and geotechnical material in geological engin...

Q: Whats the streak color does quartz give off?

A: Quartz is hard crystalline mineral which has a chemical formula SiO2 . Quartz is one of the abundant...

Q: Explain the relation between rate of coo- ling for magma and rock name

A: There is no direct relation between magma cooling and rock name but indirectly, As the names of rock...

Q: A radioisotope has a half-life of 6 hours. If thesc are 100 undecayed atoms, how long will it take f...

A: Radioactive elements are those which are unstable elements. In order attain stability, this elements...

Q: What will happen if non renewable are gone?

A: Non-Renewable Sources of Energy Non-renewable sources of energy are those resources which are availa...

Q: What commonly unit of time is used in every day life that has been derived from the motion of the mo...

A: Time is commonly used to measure the during of a day. The unit commonly used every day is second.  T...

Q: How can predation benefit the prey population?

A: On the earth, a very large number of organisms live. Species of some organisms live on land and larg...

Q: DIRECTION: Read the definition below and draw a line to connect it to the correct word and illustrat...

A: Earthquake is vibration of surface of earth caused by elastic nature of rock or earth crust. Seismic...

Q: What is water quality?

A: Water is a common substance and is present everywhere, it fills the water bodies like ocean, river a...

Q: If you will think abstractly, Water cycle on earth uses what somewhat similar method to give back wa...

A: Decantation, centrifugation, and distillation are laboratory processes of separating components from...

Q: discuss the carbon cycle.

A: Carbon is the basis of all life on Earth, needed to build complex molecules like proteins and DNA. T...

Q: How many times larger than Pluto is planet Earth? (Hint: Divide Earth's diameter by Pluto's diameter...

A: Our solar system has eight planets revolving around a star, the Sun, in a fixed orbital path. These ...

Q: Which of the following most accurately describes the Earth’s mantle?  The mantle has three layers ...

A: The interior planetary portion segregates into separate layers, namely the mantle, the core, and the...

Q: In what section of Iceland are most of the volcanoes located?

A: Before discussing the actual answer let us discuss about the terms used in the question that is abou...

Q: (2) jlahäi Estimate the transmissivity of a confined aquifer if the drawdown in a two piezometer wel...

A: The equation for transmissivity of a confined aquifer is given by the Thiem equation as follows- T= ...

Q: Environmental

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

Q: What does this figure show in detail?

A: Sedimentary reservoir is a basin system where incoming sediment load from rivers gradually accumulat...

Q: 32.15- 32.1- 12.05 47.2 47.25 47.3 47.35 47.4 47.45 47.5 47.55 47.6 1. In which direction is the slo...

A: A topographic map is used to study the region which is to be studied. A topographic map includes val...

Q: a hole in a tectonic plate that allows for magma/lava to rise. This can form new islands or in the c...

A: The rising of lava to magma in order to form volcanoes, does not restrict alongthe plate margins but...

Q: Select the best pair of answer below justifying the reason for your choice.

A: The shape of an atom or ion can be reflected by the region of high electron concentration around the...

Q: 18. Given the truth table of a conjunction, then the values of a and b respectively are: P PAQ T T T...

A: In subject of maths logic truth table is chart which have row and column in it which show truth valu...

Q: i badly need some help with these 3 questions.please ??

A: Since there are multiple questions, the solution to the first question will be given. If you want an...

Q: what is earth crust

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

Q: Thank you for explaining

A: Contour line are drawn on map which connect point of equal elevation, these lines are always paralle...

Q: List the relationship between Temperature, Absolute Humidity, and Water Vapor Pressure?

A: Humidity is an essential variable in the Earth's weather system, influencing weather and climatic pa...

Q: what Factor or property causing the reservoir heterogeneity ?

A: Reservoirs are the naturally geological formations which are responsible for storing water. The wate...

Q: What is the key word for igneous?

A: The Earth is made up of various kinds of rocks. These rocks begin their life cycle from the solidifi...

Q: Which part of the Emergency Management Cycle do you think is the most important? Why?

A: emergency is a serious event which need a serious action to be taken immediately. emergency manageme...

Q: Melting of what two large ice masses is of most concern in regard to ridding sea levels?

A: Global warming is currently the topic of the highest concern at the global scale. Global warming ref...

Q: What is the mission of the James Webb Space Telescope?     To look for exo-planets ,  which is...

A: The Universe in which we are situated as an extremely tiny element, consists of several kind of mate...

Q: Proxima Centauri has an absolute magnitude of 15.5. Alpha Centauri B has an absolute magnitude of 5....

A: Absolute magnitude of a star tells us the actual brightness or luminosity of the star when it is at ...

Q: What causes a dynamic high near the surface? A dynamic low?

A: The earth's surface receives energy from solar insolation and absorbs it. Absorption results change ...

Q: A phase is a state of matter, such as a solid, a liquid, or a gas. Which phases would you see? Expla...

A: State of matter is form in which matter can exist. there are four states of matter which can be obse...

Q: Question-based on, "caldera".   Perhaps make an arrow to them.   -the resurgent dome  - highlight/al...

A: Caldera are large hallow type shaped which are formed after all the magma from magma chamber has emp...

Q: 11.(a) Why neutron log is considered as very effective technique in knowing reservoir properties. Gi...

A: Neutron log is a part of nuclear log in which radiations are used for knowing the characteristic &am...

Q: ______________The number of stars that are in a typical galaxy

A: The Universe is all about space and time. It also comprises other forms of matter such as planets, g...

Q: Ecosystem is an independently functioning unit with the most important processes being energy flow a...

A: An ecosystem is a community or system in which living organisms interact with each other and the sur...

Q: The largest percentage of fresh water available for direct human use is found in: Select one: O a Ri...

A: Water is one of the most important resources that we use in our daily lives. Water on the Earth can ...

Q: Hurricanes are low pressure centers with steep pressure gradients that can be easi spotted on a weat...

A: When a hurricane occurs with gentle pressure gradients, they show widely spaced isobars on the weath...