The brightest stars are luminosity class   a. Ia.   b. Ib.   c. II.   d. IV.   e. V.

Q: 1. Answer the following: (a) Define land / soil pollution. b) Types of land pollution

A: (a) Land/ soil pollution:- It is caused by the mixing or deposition of solid or liquid wastes on the...

Q: What is ‘stress’ in plants? What are the types of stress in plants?

A: Plants are essential producers on this planet. Plants provide enough oxygen, absorb carbon dioxide, ...

Q: soils within

A: The correct answer for question 20 is option A i.e. partially saturated. The capillary zone is the s...

Q: similarities between endemics and pandemics

A: Endemic or endemic diseases are the diseases that have remained at the same level of infection in a ...

Q: ame I. Choose the letter of the best answer. Write the chosen letter on a separate sheet of paper. 1...

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

Q: What are ecosystem services? Give several examples.

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

Q: 6. What is the difference between an Sa and an Sb galaxy? Between an S0 and an Sa galaxy? Between an...

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for yo...

Q: Explain if the development of science will improve the living condition of people in the future.

A: Science is the systematic study of the universe in the form of testable explanations and predictions...

Q: What percentage of water on the planet is fresh (nonsalty)?

A: Water is a vital thing for the survival of many species in the world. The advent of water in the wor...

Q: What do we mean when we say something is dense?

A: Firstly, let's discuss something about, Dense: Marked by compactness

Q: 1) By means of simple sketch, explain how a sea breeze occurs.

A: A breeze is a gentle wind that blows from one area to the other due to difference in pressure. A sea...

Q: What factors affect the distribution of particular variations?

A: Let us discuss something about factors affecting species distribution: Species distribution: It is t...

Q: Describe how active, dormant, and extinct volcanoes differ from one another.

A: A volcano is a fissure or rupture on the crust of any planetary object such as Earth, through which ...

Q: Why are white dwarfs and red dwarfs, which are very common, NOT visible to the unaided eye?   a. ...

A: Stars are one of the most important parts of our universe as they are the one who are at the center ...

Q: A biogeochemical system initially had 1.0 x 10^12 units present in the component at the time of asse...

A: A biogeochemical cycle is a cycle where chemical components move from biotic to abiotic components &...

Q: Explain 1.Deadly acid rain as a result of fossil fuel combustion, toxic chemicals from erupting volc...

A: The atmosphere is the mixture of gases, water vapor, particulate matter, etc. around the earth. It i...

Q: Why should there be a tidal bulge on the side of Earth away from the moon?

A: A tidal bulge is a strain that is produced by the celestial-body that undergoes gravitational attrac...

Q: please answer thank you so much

A: Firstly, let us discuss something about the water cycle Water Cycle:  Cyclic movement of water in th...

Q: 1. Based on the picture, enumerate the different evidences or effects of climate change. 2. How do g...

A: Climate is not a stable thing but in fact it always keeps on changing. Climate change is a long-term...

Q: How does heat move from the inner Earth to the surface?

A: On the basis of composition, Earth can be subdivided into the outermost layer crust, upper mantle, l...

Q: What are tar sands, and what problems are associated with their mining, processing, and shipping?

A: Earth science is the study of the Earth and the various processes that are going on in the Earth sys...

Q: What type of air mass is most likely to affect Los Angeles California ? Why?

A: The Earth is enclosed by a blanket of gases called the atmosphere. The atmosphere serves as a protec...

Q: How does today's world differ from the world of the past in relation to Continental Drift?

A: Tectonic plates are piece of earth crust and upper mantle which together are called as lithosphere. ...

Q: How can foram fossils provide clues about past cold and warm periods, and global temperature change?

A: Foram or foraminifera are shelled organism found in aquatic and marine environment. They are both pl...

Q: What effects the climate?

A: Climate is the long-term weather condition of a large area. There are several factors, which play im...

Q: What are the shaded features shown on this topographic map?

A: A topographic map is a map which is concerned with the shape and character feature of Earth’s surfac...

Q: Thinking Critically Why is refined oil more hazardous to the marine environment than crude oil? Whic...

A: Oil spills are the major pollutants that inhibit the marine environment. Several oil spills in certa...

Q: Name two types of natural disaster and state one way each will have an impact on human activities, a...

A: Firstly, let us discuss something about a natural disaster, Natural disaster:  A natural disaster ar...

Q: What is true of the sun? (Choose 2) The sun is the closest star to Earth. O The sun is larger than a...

A: Sun is the central star of our solar system, with 8 planets revolving around it in elliptical orbits...

Q: 2. The 350m wavelength signals from the radio station will be received by the listener as two rays. ...

A: The radio waves are transmitted and received by traveling through our atmosphere. The radio waves ha...

Q: Calculate the soil resistivity for the following case if the distance between the electrode and the ...

A: The soil resistivity of a soil formation depends on the resistance, cross-sectional area and length ...

Q: What might be the possible strategies you can think of (at least 5) to prevent water scarcity and sh...

A: Water scarcity simply means the shortage of water to our needs. Water scarcity can be originated by ...

Q: Evaluate air pollution control efforts and progress.

A: Air pollution is the change in the quality of the air due to the presence of certain substances in t...

Q: 2. Changes in global weather patterns (flash floods, extreme snowstorms, and the spreadof deserts) a...

A: Climate is the long-term average of the weather over almost 30 years. The primary factors of climate...

Q: Name two important natural resources that are found in each of the following: geosphere, atmosphere,...

A: The natural storage of the things that are produced by the nature and those which keep on renewing a...

Q: Is this caused or formed by chemical weathering, mechanical weathering (abrasion, exfoliation), eros...

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

Q: Question 4 of 10 Which kind of rock forms when molten rock from underground moves to the surface? A....

A: Magma is a mixture of minerals, and it also includes small amounts of dissolved gases such as water ...

Q: Is greenhouse effect always bad?

A: When the solar radiation, which is a shortwave radiation falls on the surface of the Earth, the land...

Q: Should pollution levels be set to protect the average person in the population or the most sensitive...

A: Pollution is defined as the addition of harmful substances to the environment, that can deteriorate ...

Q: What types of glacial deposits exist in Portage County?

A: Glaciers are the slow moving sheet of ice. It contains rock materials, sand particles, boulders etc....

Q: Figure 20.12 Which of the following statements about the nitrogen cycle is false?a. Ammonification c...

A: Nitrogen cycle- The nitrogen cycle is the natural biogeochemical cycle which represents the cyclic m...

Q: Which is denser at the same temperature and pressure: humid air or dry air?

A: The atmosphere is the mixture of gases that surrounds the earth. It is commonly called air. They con...

Q: Water is a valuable resource, cite 3 instances where you contributed to the conservation and mitigat...

A: The Earth system is composed of four subsystems, namely lithosphere, biosphere, hydrosphere, and atm...

Q: why environmental science is important?

A: Natural environment is all the living and non-living thing occurring naturally around us which inclu...

Q: What drives the water cycle, and how does this cycle relate to geologic, biological, and atmospheric...

A: The water cycle is one that is most dynamic and most fundamental to earth. The cycle of the layer is...

Q: Ecosystems require energy to function. Where does this energy go as it is used? How does the flow of...

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

Q: List all and explain agents of erosion (water, wind, ice, gravity)

A: Firstly, let us discuss something about erosion, Erosion: It is the process by which the surface of ...

Q: Outline some factors in natural climate variability.

A: Natural climate variability refers to the changes in different parameters of climate due to non-anth...

Q: An instrument that detects and record seismic waves

A: The radiated energy that propagate through the earth during and after the earthquakes are termed sei...

Q: Can a geothermal operation cause volcanic eruption?

A: Instances of volcanic wonders which can contrarily affect geothermal force tasks include: debris fal...