Match the description with the correct indoor air pollutant naturally occurring radioactive gas [ Choose [Choose ] origin in coal burning suspended particles (SPM) formaldehyde plywood, furniture, and high-gloss wood tobacco smoke radon-222 benzo-a-pyrene [Choose ]

Q: Surface area increases as the number of particles within a given volume of soil decreases TRUE OR FA...

A: The surface area of soil is the total area covered by the soil particles. Surface area and particle ...

Q: What is coral bleaching?

A: Coral reefs are underwater ecosystems characterized by reef-building corals. They are formed of cora...

Q: What are six major components of soil?

A: Soil is a product of the natural breakdown of rocks called Weathering, and it includes a physical an...

Q: Quartz Diamond O Halite O Obsidian O O O

A: A mineral is a naturally occurring, inorganic, homogenous substance with a well-defined crystal stru...

Q: What is the latitude of noon 90 degree angle sun in Belleville, Illinois? What is the latitude in B...

A: The solar angle or the Solar altitude angle is the angle between the sun’s rays and a horizontal pla...

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: why do we need to plant trees in urban areas?

A: Urban areas are essentially dominated by a large number of buildings, industries, concrete roads, an...

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: Plot each latitude amd longitude

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

Q: Which of the following is an ectothermic animal? A. Penguin B. Human C. Mouse D. Snake

A: Endothermic animals are the animals that can produce their own body heat, whereas ectothermic animal...

Q: Explain the Effects of Seismic Events.

A: An Earthquake is the sudden release of energy from the Earth's interior that travels in the form of ...

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: Are fine nets sufficient to capture all the plankton in a water parcel?

A: Fine nets are not sufficient to capture all the planktons in a water parcel. Because the net gets fi...

Q: Is there really any such thing as a true “tidal wave”?

A: Waves are disturbances in the surface water of ocean or sea in the form of a moving ridge or swell. ...

Q: The shales represent what percentage (approximately) of rock materials closest to the ground surface...

A: Shale is fine-grained (Clay sized particle) clastic sedimentary rock. An essential feature in Shale ...

Q: How much longer can earth support life?

A: The available water in larger quantities and other optimal conditions like distance from the Sun, th...

Q: 2. The Coriolis effect is due to Earth’s a. orbit around the sun b. tilted axis of rotation c. rotat...

A: The Coriolis effect is defined as the pattern of deflection of objects or masses that travel long di...

Q: Roadways are commonly cut into the bases of slopes. When mass movements block the road, the debris i...

A: Everywhere on the earth's surface, materials depend upon the attraction force. This force of gravity...

Q: Which of the following best summarizes the main causes of water pollution today? increased runoff, ...

A: The contamination of water bodies through biological or inorganic contaminants exposed to humans cau...

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: Identify statement as being most like an observation, a law, or a theory. All coastal areas experien...

A: Tides are very long wavelength waves that cause periodic rise and fall of sea level on the coastline...

Q: Illustrate and define the following 1) Strike slip fault 2) Recumbent Fold 3) Gravity Fault 4) Joint...

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

Q: Billions of years from now, the galaxy Andromeda will actually collide with our galaxy, the Milky Wa...

A: The nearby galaxy Andromeda is moving towards us at a speed of 250,000 mph.   Disclaimer: Since you ...

Q: What are your some of the ways on how people can adapt to natural disasters (such as flooding, typho...

A: Natural Disasters are natural phenomena that occur on earth and create destruction in the form of lo...

Q: What properties contributed to plastics being considered a miracle substance? How do those same prop...

A: Plastics are essentially synthetic or semi-synthetic polymers. Plastics are made from natural compon...

Q: If the Gulf Stream warms Britain during the winter and keeps Baltic ports free of ice, why doesn’t i...

A: The movement of surface ocean waters in the form of gyres, driven by the Coriolis force created by t...

Q: how would you expect the winds north and south of the equator to flow

A: The Equator lies in the tropical region of the earth at the 0-degree latitude. At the equator, there...

Q: Is the lapse rate in a rising mass of air greater in dry or moist air?

A: The falling of an atmospheric variable with the altitude is called the lapse rate. In most condition...

Q: Explain water table aquifers and artesian aquifers (including a flowing artesian). Illustrate. Inclu...

A: An aquifer is a unit of rock or sediment that has the capacity to hold and yield a significant amoun...

Q: how humans harness Earth’s internal energy inproducing electricity. What are the latest developments...

A: Earth's interior is a huge source of heat energy. The interior of the Earth provides almost 47±2 ter...

Q: The scientist who studies rock fossils and earth to learn about the pass is a 

A: Paleontology is a branch of geology that deals with the study of past life. Whatever we know about l...

Q: is defined as the change in length of a line per unit length, then we will not have to specify the a...

A: Stress is the amount of force exerted in a particular area. Its unit is N/m2. The Strain is the amou...

Q: What are the similarities and differences between the CO2 emission reduction plans of China, the Uni...

A: According to latest report, China and the United States together release around more than 40% of the...

Q: What kinds of large mammals disappeared from North America about 12,800 years ago?

A: According to the Young Dryas hypothesis, about 12,800 years ago, the Earth was struck by an asteroid...

Q: Explain briefly nuclear waste management

A: Nuclear waste is the waste generated from nuclear plants after utilising nuclear materials to produc...

Q: Thinking Critically What two processes contribute to longshore drift? What powers longshore drift? W...

A: Longshore drift or littoral drift is the movement of sediment material along a coast parallel to the...

Q: In a transformation 23892U decays to 22688Ra.  How many alpha & beta particles are emitted?

A: Radioactivity is the phenomenon of the emission of energy, in the form of various particles, due to ...

Q: What is unique about picoplankton?

A: Planktons are organisms that drift in the marine environment.  These are the organisms that are carr...

Q: What are conditions like at the center of a gyre?

A: Oceanic gyres are essentially large scale ocean currents which are in a circular motion. These are f...

Q: What are the possible ways related to the occurrence of mineral and explain the identification chara...

A: The mineral in the figure is pink grossular garnet. It is crystallized in the isometric system and m...

Q: Why is the temperature different at different locations of the earth

A: The shape of the Earth is an ellipsoid, because of which there is a difference in the amount of sola...

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: What very common product is made from limestone?

A: Sedimentary rocks are formed by processes like weathering and erosion, compaction, and cementation. ...

Q: The oldest seafloor near Natal Brazil in South America and Douala, Cameroon in West Africa is 135 Ma...

A: A Mid-Atlantic spreading ridge is a mid-oceanic ridge present in the Atlantic Ocean. It is a diverge...

Q: Q1/ Answer the following questions? 1- Rock (dimension 10 m length and 5 m width) subjected to stres...

A: 1. (a) Rigid Body is a body, which undergoes no deformation under any type of stress. When the value...

Q: What is the relationship between El Niño and large wildfires in Australia?

A: El Nino is the name given to the occasional development of Ecuador and Peru's warm ocean surface wat...

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: Under what circumstances do streams tend to develop sinuous, meandering, and braided channel pattern...

A: In general, rivers originate in a mountainous region. Little gutters converge to give rise to a stre...

Q: Compute the soil saturation percentage (SP) as:          SP = [50 ml / 200 g] x 100 = ______ %

A:  Soil saturation percentage is a parameter for characterizing soil texture. It is defined as the per...

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...