Bleaching and death of coral reefs around the world is mainly a result of: O Eutrophication Toxic liquid chemicals like benzine and solvents Increased sea water acidity from CO2 absorption and warmer water. Particulate pollutants including plastic

Q: What is the difference between a hypothesis, a paradigm, and a theory?

A: In science and philosophy, there are various concepts that need to be explained or testified. A para...

Q: How does climate change affect corals?

A: Coral are group of marine invertebrates, that live in compact colonies of identical polyps . Species...

Q: 2. Compare the rock on the left to the one on the right. Describe the differences between these two ...

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

Q: The main problem with eutrophication is: O It makes the water green O It kills aquatic plants O It c...

A: The ecosystem is the geographical area where the living organisms live and interact with each other ...

Q: What did Edwin Hubble’s great discovery of H, Hubble’s Constant, tell us about the age and nature of...

A: The cosmos encompasses several varieties of galaxies with stars and dust particles, one of them is t...

Q: 3.In cities , storm sewers are installed to keep water from flooding streets during heavy rains , an...

A: Floods by heavy precipitation can affect the lives of people and cause damage to properties. Several...

Q: B. Direction: Use the graphic organizer below to explain the process of volcanic eruption before, du...

A: When hot material from inside the earth is thrown out, a volcanic eruption happens. From side branch...

Q: The amount of water, trapped gasses, and magmatic compositions are the main factors that determine t...

A: Volcanic eruption is caused by magma. Magma is a mix of melted rocks and dissolved gases. Based on t...

Q: MCQ 16: Every substance in our world is made up of A. matter B. electrons C. protons D. chemical ele...

A: All the substances in the world are made up of elements. They have specific physical and chemical pr...

Q: MCQ 21: Successive ionization energy helps us in A. confirming electronic configuration B. number of...

A: Ionization energy is defined as the amount of energy required to isolate an electron from an isolate...

Q: The following contribute to increased net global warming: A: Increased low cloud cover B: Changes in...

A: The Earth is made up of four spheres known as lithosphere, atmosphere, hydrosphere, and biosphere. A...

Q: If the half-life of a radioactive isotope is 3 million years, what percent of the isotope is left af...

A: A radioactive element is a naturally occurring element whose nucleus is unstable. To become stable, ...

Q: A single conjecture or assertion expressed in a way such that it can be tested best describes a  ...

A: The concepts behind every discovery should come under these four terms. There are slight variations ...

Q: Aristotle argued that if Earth moved, one would observe parallax in the stars, and thus the   a. ...

A: Aristotle along with other ancient astronomers believed that earth was fixed because they were not a...

Q: Rank the labeled regions by temperature, from hottest to coolest.

A: Let us discuss about the Sun, Sun: It is a star that is located at the center of our solar system. S...

Q: Which object has the greatest momentum? 18- wheeler truck at rest does diiwoibod to noronlion c) a p...

A: Momentum can be described as the product of the mass of an object & the velocity at which the ob...

Q: In the PHeT simulation go to the Greenhouse Effect tab and adjust the concentration of greenhouse ga...

A: Firstly, let us discuss something about the greenhouse effect, Greenhouse Effect: It is a process th...

Q: Population density near a hazard event- If all individuals crowd in one portion of a place, there is...

A: A natural hazard is a natural event imposing a negative threat over the human population. This negat...

Q: The moon's appearance changing because earth casts a shadow on the moon

A: Moon is the only natural satellite of the earth which takes 27.322 days to complete one revolution a...

Q: 7.The magma that contains more silica travels___________ before solidifying. A. near B. far

A: Magmas are formed when rocks melt. They are brought to the surface by openings present in the earth’...

Q: 45.Which of the following statements regarding floods is true ? Select one a. a 40 - year flood i...

A: Floods are produced by high precipitation or when the water level rises more than normal in a partic...

Q: How does the layer of the sun affects the layers of the Earth's atmosphere?

A: The atmosphere is surrounding the environment with layers of gases around the planet. This bundle of...

Q: U.w. Question 7

A: hurricanes are one of the most violent weather phenomena on the earth. in general, they form near th...

Q: C. DIRECTION: Supply information on the given graphic organizer below. You may use your own idea in ...

A: Volcanoes are ruptures on the earth's crust through which hot lava, volcanic ash, pyroclastic materi...

Q: What effective alternatives to eco-sabotage are there forpeople who are convinced that we are destro...

A: The environment encompasses all the living and non-living organisms in an area. This term is often a...

Q: How natural differs from man-made disaster?

A: The disaster that takes place due to intense natural forces that bring changes on the earth's surfac...

Q: Retrograde motion is usually described in terms of the motion of the planet Mars. Describe retrograd...

A: The movement of a planet opposite to the direction of another planet is defined as retrograde motion...

Q: Describe and diagram an eclipsing binary star.  Describe what an intrinsic variable star is.

A: A bilateral star is 2 stars turning around each other.  And if we look at some stars in space very c...

Q: rain shadow

A: A leeward side represents the dry region of mountain. it’s also called a rain shadow. The cement is ...

Q: 1.Lava with low amount of gas as it rises has high viscosity that it piles up at a vent resulting in...

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

Q: 8.The eruption of Taal Volcano is perfect example of ___________style. A. plinian B. phreatic C. sto...

A: The Earth essentially exists in a dynamic state. Many processes operate in its system, such as const...

Q: 1. Demographic As population grows, the demand for 2. Economic Ensuring clean and safe water for our...

A: The use of land areas or the activities taking place in land areas if not directly, indirectly affec...

Q: What is the Man-made Hazards?

A: Hazards are an agent that can harm humans, property, or the environment. Risk is the probability of ...

Q: MCQ 6: (Chloro Fluoro Carbons) CFCS are not A. flammable only B. toxic only C. harmful D. flammable ...

A: CFCs or chlorofluorocarbons are molecules containing chlorine, fluorine, and carbon. They are organi...

Q: Galileo’s most convincing observation that proved Venus orbited the sun was the discovery of   a....

A: Venus is second planet from the sun. It is the brightest natural object in the earth night sky after...

Q: 16.Seismic gaps represent " locked " sections of faults along which friction is preventing slip . Th...

A: According to the plate tectonics theory, the surface of the Earth is made up of various hard lithosp...

Q: 30.As the water vapor evaporated near the equator moves poleward and rain and snow precipitate , the...

A: Water vapor is the gaseous phase of water. They are produced by evaporation or boiling of water.Wate...

Q: Building codes and disaster policies- Hazard-resistant structures can lower the vulnerability of a c...

A: Hazards are way more ahead in damaging the economy and loosing the life and property of an nation . ...

Q: In its time, the Copernican hypothesis probably won general acceptance because   a. the hypothes...

A: Copernican model is maned after Nicholas Copernican who published it in 1543. As per the model, the ...

Q: 46.Longer - term earthquake forecasts may allow automated emergency responses that save lives and pr...

A: Earth quake is a vibration or oscillation of the surface of the earth caused by elastic nature of ro...

Q: Why living on the following are not vulnerable to hazard Houses with lightning rods. Houses wit...

A: lightning rod is a pole attached to the roof of the building usually made of a good conductor if ele...

Q: Briefly explain image registration process in GIS

A: GIS stands for Geographic Information System. GIS is a framework for gathering, managing, and analyz...

Q: 1. How do mountains formed? 2. How do volcanoes formed?

A: Mountains are steep slopes with high elevation on the surface of the Earth. These features on the Ea...

Q: With Disaster Risk Management, explain why the magnitude of a hazard does not determine the impact o...

A: Disaster risk management refers to reducing risks due to disasters by creating policies and strategi...

Q: حسين شاكر: Explain how minerals are formed in nature Then assort the following according to their ch...

A: Minerals are formed under a wide range of temperature and pressure.  There are mainly four categorie...

Q: Show all working explaining detailly each step.

A: Sound waves are also called longitudinal waves. The propagation of these waves is parallel to the di...

Q: The success of Tycho Brahe is attributed to his ability to   a. make accurate observations with ...

A: Tycho Brahe was a Danish astronomer who worked for developing astronomical instruments and implement...

Q: MCQ 9: Disposal of poly(ethene) bag is extremely difficult and it can cause pollution for coming A. ...

A: Polythene a polymer and is a type of plastic which is turned into thin sheets or bags and used for f...

Q: The stream's longitudinal slope will increase in response tho sea-level rise. T or F

A: Marine currents or ocean currents are known as vertical and horizontal currents that control the cir...

Q: Earth Science Question

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