The diagram below illustrates the results of plate motion. Which description best explains the results of the plate movements that are being illustrated? New Oceanic crust magma rising up through a subduction zone at a convergent boundary B symmetrical chains of folded mountains on either side of a convergent boundary C. symmetrical bands of alternating magnetic polarity on either side of a divergent boundary D magma rising up through a rift valley at a divergent boundary

Q: The potassium atom 4219K has a half-life of 12hr, and disintegrates with the emission of a γ -ray to...

A: Radioactive decay is a breakdown of an unstable atomic nucleus to release energy and to produce a da...

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: 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: Is the world ocean a comparatively new feature of Earth, or has it been around for most of Earth’s h...

A: Oceans are the stagnant larger water bodies that are saline in nature. The higher residence time of ...

Q: List and explain the effects of the pollution on the environment and human health

A: Pollution is defined as the adverse change in physical and chemical or biological characteristics of...

Q: Why are pools of water in the tundra evidence of global warming?

A: Global warming occurs when carbon dioxide and other pollutants and greenhouse gases accumulate in th...

Q: What is the evidence that carbon dioxide has increased in the atmosphere?

A: Carbon dioxide is the most significant of the smaller and more visible constituents of the atmospher...

Q: Compare and contrast the iceberg water with the ocean water ?

A: An iceberg is a huge chunk of ice broken off from a glacier or some ice sheet and floating on the wa...

Q: tim is throwing the ball what is the action verb

A: Action verb: It is the verb that explains physical or mental action. Here the sentence is 'Tim is th...

Q: I am made of rounded pieced of cobbles and pebbles,embedded in sand.What sedimentary rock am I?

A: Sedimentary rocks are the rocks formed from lithification and diagenesis of the sediments. These sed...

Q: Streams of charged particles emitted from the sun during periods of solar activity create a disturba...

A: Geomagnetic field is also known as earth’s magnetic field which ranges from earth’s interior out to ...

Q: B. Direction: Complete the table below. Use the details inside the box. Uplift Narro

A: The table describes the theory of the Wilson cycle. This theory describes the evolution of tectonic ...

Q: (T/F) A fault is where two sections of the Earth's lithosphere can move past one another.

A: The outer shell of the earth consists of denser oceanic crust and lighter continental crust and whic...

Q: Evaluate the advantages and disadvantages of eachof the principal sources of energy in the United St...

A: After the industrial revolution, many natural sources of energy are used at a larger rate. These ene...

Q: Illegal fishing bombs How can these activities cause a mass of extinction? Explain in less than 5 ...

A: Fishing bombs is the practice of catching fish by creating an explosion underwater. This practice is...

Q: Discuss the issue of biological contamination in either direction between Earth and Mars. How seriou...

A: The biological contamination of a planetary body either deliberate or accidental is called interplan...

Q: Q4

A: When a rock is transported, during the course of it's journey, it gets abraded and will become round...

Q: Distinguish whether they are comet, asteroid or meteor 1) I have a tail 2) I am ceres 3) I was di...

A: Comet, asteroid, and meteors are objects coming from space. Comets are ice-cold snowballs mainly com...

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: Q2) A watershed has the following land use: a- 300 ha of open forest land b- 500 ha of good pasture ...

A: % of soil group A= 30% area of open forest land= 300 ha % of soil group C= 70% area of open forest l...

Q: Describe what happens to produce the El Niño phenomenon. What changes does it bring to Australia? To...

A: The weather events affected by sea-surface temperatures due to uneven warming create regions of low ...

Q: How do the four rocky planets compare to the four gas giants in size

A: Planet is a astronomical body which revolve around a star like a sun within a fixed orbit in a fixed...

Q: If the earth is composed of one big continent at around 250 billion years ago, in which plate do you...

A: The Earth comprises several tectonic plates which float on the asthenosphere and is in a continuous ...

Q: Describe those aspects of tectonic plate theory responsible for shaping Earth’s surface.

A: Tectonic plates are plates of certain thickness found floating in the lithospheric layer of the Eart...

Q: What is Original Horizontality?

A: The structural features of the rock-like folding, faulting, foliation, lineations, and joints develo...

Q: Transportation is another major contributor to an individual’s ecological footprint. In countries li...

A: Passenger vehicles use gasoline as fuel. Burning it releases CO2, which is the leading cause of glob...

Q: In your own understanding, define the term environment and describe the field of environmental scien...

A: Generally speaking, anything that surrounds us is known as environment. We must take serious actions...

Q: describe an action you are willing to take personally that would have a local impact on water resour...

A: Water is a essential part of our lives. It is basic need for all living plants and animals including...

Q: How does the amount of energy flowing from the interior of Earth compare to the energy received from...

A: The Energy received from the sun makes the Earth's heat budget. It is the cycling of solar energy fr...

Q: Distinguish between transverse and longitudinal waves. To which of these categories do  Sound waves...

A: There are two types of waves, transverse and longitudinal. Transverse waves are the waves that propa...

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: What phase will the moon be in on the 4th of July this year?

A: The Earth has one natural satellite, the Moon, which rotates around the Earth in a tilted orbit. The...

Q: Based on all the geographic and geological evidence, summarize the current view about the past and p...

A: Scientists in view of several explorations suggest that water was available in canyons and shallow l...

Q: Use facts of both marine elemental cycling and controls on ocean circulation, explain how an oxygen ...

A: Oxygen Minimum Zone Oxygen minimum zone, generally occurs at a depth of 200 to 1000 m, is a state of...

Q: Why do El Niño and La Niña events cause opposite weather climates around the world?

A: Climate is a long term average weather whereas weather is state of atmosphere and other meteorologic...

Q: Explain concisely why aqueous sodium chloride is neutral, whereas aqueous sodium sulphide is alkalin...

A: Sodium chloride Na++Cl-→ NaCl Sodium sulphide 2Na++S→Na2S The aqueous solution of Sodium chloride is...

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

A: The dependent variable in this investigation is the amount of air pollution. The air pollution depen...

Q: The following diagram shows bands of oceanic crust at a mid-ocean ridge. Which of the fol- lowing co...

A: The oceanic crust consists of mid-oceanic ridges, which are underwater mountain chains. These are th...

Q: High-grade regional metarnorphism would best be developed above and below an igneous intrusion O At ...

A: Metamorphism is a process in which mineral and texture of a preexisting rock change without changing...

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: Why the mantle lies closer to earth's surface beneath the ocean than it does beneath continents ?

A: The Earth is differentiated into multiple layers. The primarily differentiated layers are Crust, Man...

Q: Match the description with the correct indoor air pollutant naturally occurring radioactive gas [ Ch...

A: Air pollution is the presence of substances in the atmosphere that damages the atmosphere and affect...

Q: Make a sketch of the global carbon cycle naming important reservoirs, carbon content in GtC, fluxes,...

A: Since the Origin of life, Carbon is playing a vital role as it is the primary building block of orga...

Q: If a seismometer observes that the what does that tell you about the epicenter location?

A: A seismograph is an instrument that records the shaking of the ground at a particular place. The int...

Q: The graph below shows how the activity in counts per minutes (c. p. m) of 1.00g of processed carbon ...

A: if 100% of the activity in counts per minutes (c. p. m) of the processed carbon is 16, then 50% of t...

Q: Classify these hypotheses about the ocean as falsifiable or non-falsifiable. Limestone erodes faster...

A: Oceans are huge bodies of water that cover almost 71% of the earth’s surface area. The earth is know...

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: Nowadays, most houses are tiled using different kinds of rocks. If you will have your own dream hous...

A: The rocks that are used commonly for house purposes are metamorphic and igneous rocks. As compared t...

Q: What term do we use to fictive our personal impact on the environment

A: Human impacts on the environment are known as anthropogenic impacts. It designates an effect resulti...

Q: 5. What kind of graph or graphs would you use to graph the following kinds of data? a. The amount of...

A: (a) The amount of carbon dioxide in the atmosphere for last 50 yearscan be shown by using line graph...