1. Did the Universe have a beginning? Explain.

Q: what is greenhouse?

A: The concept of the greenhouse is being used since roman times. Later the scientific understanding of...

Q: The time between 542–488 million years ago marks which period? a. Cambrian period b. Silurian period...

A: The geologic time scale is a systematic sequencing of stratigraphy. It is used by geologists, paleon...

Q: Describe the theory of continental drift and identify who first proposed this theory.

A: The Earth has evolved a lot since its formation. The Earth system is sub-divided into lithosphere, h...

Q: Earth Science Question

A: Figure shows a surface mine (strip mine) in northern Pennsylvania’s anthracite coal mining district....

Q: 16. In which geological environment do you expect to find rocks like gneiss and schist?

A: metamorphism is the changes in texture and mineralogy of a pre-existing rock due to the changes in t...

Q: what is smallest planet in solar system?

A: The solar system is the gravitationally bound system of the sun, in which the sun is at the center a...

Q: iiiii Suggest remedial measures for cleaning up the polluted environment .

A: Remedial measures are measure or action which should be taken to investigate, measure, clean remove ...

Q: Provide an example of how atmospheric chemistry can affect air pollution?

A: Air pollution is the addition of solid particles and gases to the atmosphere. This leads to deterior...

Q: Explain the similarities and differences of mechanical and compositional layers of the earth?     I ...

A: The layer of earth can be differentiated based on the composition and rheology of the layer's materi...

Q: Q#1:     Define the relation of internal forces and earth quake in detail consider the course ?

A: Earthquake is the phenomenon of  shaking of earth due to sudden release of  stored energy in the ear...

Q: Why is melting permafrost a concern to future CO2 levels?

A: Permafrost can be defined as ground that remains frozen for more than two consecutive years. There i...

Q: C. If you assume that the global amount of radiocarbon (formed by cosmic-ray bombardment of atoms in...

A: Given, Percentage of carbon-14 buried in peat bed=6% To find the age of the peat bed, we use the fol...

Q: Q1(2)Suggest remedial measures for cleaning up the polluted environment in karachi.

A: Remedial measures are measure or action which should be taken to investigate, measure, clean remove ...

Q: provide evidence supporting positions needed for a lunar eclipse to occur.

A: In the period of lunar eclipse, the moon is not visible from the earth, it is possible when light do...

Q: My question is about meteorology.  "Supercooled droplets are essential to one type of raindrop growt...

A: Let's first discuss about some terms used in question, Supercooled droplets: An unstable state and u...

Q: A soil sample has a weight of 0.9 kg and the volume was found to be 3.5 × 10-4 m3 After drying out t...

A: Disclaimer- only the first 3 subparts have been solved. Given,  total weight of sample= 0.9 kg dry w...

Q: Identify whether each statement with its correct phase of the solar cycle. (Select N-solar miNimum, ...

A: A solar cycle is the change in the activity on the surface of the sun due to variation and flipping ...

Q: In trying to protect and conserve natural resources, it is advisable to identify which resources are...

A: Energy can neither be created nor be destroyed, but can be transformed from one form to another. Ene...

Q: 1:100000 The scale of the map, above, is 1 cm to m Answer: 1000

A: Scale refers to a relation between distance on the map and distance corresponds to on the ground. th...

Q: Venus has too much _____ in its atmosphere to support life as we know it

A: Venus is a neighbor planet and closer to the sun than earth.  Because of its distance from the sun, ...

Q: How do scientists calculate the age of a sample using radiometric dating?

A: Ever since the Earth was created, many radioactive elements were also incorporated within its system...

Q: What physically happens to the rock during mechanical weathering? What does the final product look l...

A:  Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and ...

Q: Non silicate minerals lab Rock name Chemical color streak fracture Transparency (transparent, transl...

A: Hematite Chemical composition: Fe2O3 Colour: Black to deep red Streak: Cherry red Transparency: Opaq...

Q: What can you conclude about the effects of temperature and vegetation on erosion rates?

A: Effects of temperature on erosion: Temperature is an essential component that controlling the rate o...

Q: Earth Science Question

A: Velocity of an object is rate of change of its position with respect to time. As velocity is a vecto...

Q: Bowen's Reaction Series divided into ?continues and discontinues. Why

A: Different mineral is formed when the magma is being cooled. Bowen’s reaction series describe the tem...

Q: Antarctica is a frozen land, so cold and icy that no trees can grow there yet scientist have discove...

A:  Antarctica being situated at the South pole has one of the most extreme climates on Earth with temp...

Q: Eutrophication is an indication of water pollution caused by increasing concentration of phosphorus ...

A: Eutrophication is a phenomenon in which uncontrolled growth of flora takes place in a water body. Th...

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: Distinguish between soil texture and soil structure.

A: Soil texture and soil composition are different soil components that will significantly impact soil ...

Q: Who is discover of telescope?

A: Telescope Telescope is an optical device, which is used to observe the distant objects such as stars...

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: Explain Metamorphism

A: Metamorphism is a geological process, which is very important in shaping the Earth's crust. The Eart...

Q: 10. What is the magnitude in the Richter scale of an earthquake thatreleased 1016 joules of energy?1...

A:  Earthquake is sudden shaking of earth’s crust due to release of energy in the Earths lithosphere wh...

Q: What is the most accurate description of primary waves A. Caused more damage B. Large waves C. Trave...

A: Earthquakes occur due to the sudden movement of the tectonic plates of the Earth. Because of this su...

Q: . How do the distances between the orbits of the inner planets compare to the distances between the ...

A: It is well-known that there are eight planets in our solar system orbiting around the sun. Among the...

Q: How have policymakers attempted to reduce impacts of air pollution?  What are some specific laws tha...

A: First, let's discuss what is air pollution? Air pollution is a mixture of solid particles and gases ...

Q: What is the center of solar system

A: The solar system consists of eight planets, a dwarf planet, and many other celestial bodies like nat...

Q: What are the main properties that differentiate a seal from a reservoir rock

A: Oil or gas accumulations of various sizes are formed by the combination of three processes called Ge...

Q: Energy in coal comes from the energy stored by that lived hundreds of millions of years ago. A2 a) o...

A: Coal recognizes as a variant of fossil fuel similarly to tar sands, crude oil, oil shale, gas, etc. ...

Q: Effects of climate change on social life.

A: Climate change is defined as the change in global oceanic and wind circulation patterns, which affec...

Q: What is hottest planet in solar system?

A: The hottest planet in the solar system is Venus. Usually the surface temperature decreases with incr...

Q: barite mineral is included in the formation of

A: Barite is mineralogical name for barium sulphate (BaSo4), it is colourless and brittle in nature and...

Q: If the water vapor content of air is 5 g/kg and the capacity is 20 g/kg, what is the relative humidi...

A: The ratio of the water vapor’s amount in the air at a given temperature to the amount of water vapor...

Q: 6.1 Contrast between: Apparent and true dip. b- Apparent and true thickness a-

A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...

Q: Explain how temperature changes through the layers of the earth from the crust to the inner core? I ...

A: The study of seismic waves through the Earth has helped in knowing the structure of the Earth's inte...

Q: The factors affecting spilled oil: Select one: a. Biodegradation b. Evaporation and oxidation C. All...

A: An oil spill is a kind of man-made disaster, as it can affect many living organisms and geological p...

Q: What does Lonnie Thompson use to measure past CO2 and O2 levels?

A: Lonnie Thompson is a research scientist in Byrd Polar Research Center at The Ohio State University a...

Q: What describes the changes in temperature, humidity, wind, and precipitation in the short term-days,...

A: The air circulation influences the weather systems on the Earth in the atmosphere and uneven heating...

Q: Yes I know it’s not nuclear energy can someone help me please

A: Energy is an essential component of any civilization. Humans have tried to use different sources of ...