Stars with masses less than __________________________ produce most of their energy via the proton–proton chain.   a. 0.01 solar mass   b. 0.08 solar mass   c. 1.1 solar masses   d. 5 solar masses   e. 10 solar masses

Q: What percentage of temperate grasslands and forests are disturbed (table)? Why?

A: An ecosystem is a geographical area where living organisms community lives in association with the n...

Q: I read that there was a second earthquake near Sumatra on 28 March 2005. It measured 8.7—nearly the ...

A: The surface of the earth is divided into about a dozen large pieces, called tectonic plates that mov...

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: In the early history of their formation, Venus, Earth and Mars all had a similar     Answe...

A: Let us discuss something about Venus, Earth, and Mars, Venus, Earth, and Mars all are very similar f...

Q: Explain every part of volcano

A: All phenomena related to the eruption of magma to the surface of the earth is termed volcanism. A vo...

Q: Define the Properties influencing permeability and infiltration ?

A: The permeability is quality or the state of being permeable and it allows for the passing of the liq...

Q: Why does the topic of ozone make the news so much?

A: The ozone layer comprises O3 molecules which are formed by the bonding of three oxygen atoms. The UV...

Q: How State plane coordinates related to the geodetic coordinates?

A: The state plane coordinate system is only used in the USA. It is a plane coordinate system where N-S...

Q: Recognize the various interactions that will exist betweenvarious species within a community.

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

Q: What effect does the weather have on soil microbial activity, and why?   can use https://www.nrcs.us...

A: Soil is part of the ecosystem in which various organisms live, including the germs that are found in...

Q: Which types of stars have the widest spectral lines?   a. Ia   b. Ib   c. III   d. I...

A: Our universe which got formed around 13.8 billion years ago has infinite extension and infinite cele...

Q: What is the origin of the geologic features that intrigue tourists at Yellowstone National Park?

A: The Earth has a rocky planet as its surface is made up of different types of rocks. That is why it i...

Q: In what kind of environment was this rock likely deposited?     A river     The ocean ...

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

Q: Name and describe the layers of Heterosphere.

A: The heterosphere is the layer of air that is separated by the molecular mixing of gases. As the mixi...

Q: As environmental science student, think at least 5 ways in managing domestic wastewater discharge an...

A: Domestic wastewater is the water that is drained from the houses on a daily basis. this water needs ...

Q: MASS EXTINCTIONS HAVE OCCURED REPEADLY OVER GEOLOGICAL TIME. BRIEFLY DESCRIBE THE IMPLICATION OF MAS...

A: Mass-extinction is defined as loss of 3/4th of species of the planet. There are six major-extinction...

Q: Hydrostatic equilibrium refers to the balance between   a. hydrogen and helium.   b. gravity...

A: Hydrostatic equilibrium does not refer to the balance between hydrogen and helium.  Hydrostatic equi...

Q: The ________________ of a star is a measure of the total energy radiated by the star in one second. ...

A: A star is an extra-terrestrial astronomical which radiates its own energy accounting for the radioac...

Q: 7) True or false, small fault block mountains can form when a region undergoes extension? True F...

A: On our earth, there are several landforms above and underwater that are formed completely because of...

Q: Thinking Critically What are the signs of overfishing? How does the fishing industry often respond t...

A: Overfishing is the practice of removal or catching a particular species of fish at a faster rate. Th...

Q: |km mi 130 81 120 75 110 68 Thermasphere 100 62 90 56 Makopause 80 50 70 43 Mesosphere 60 3기 Stratop...

A: Based on chemical composition, the atmosphere is divided into two, the homosphere and the heterosper...

Q: 1.Pandemics and other threats to public health arising from wastes with drinking water, polluted env...

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

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

A: The availability of pure drinkable water is a matter of question. High urbanization and industrial u...

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: Google search your choice: Chestnut Blight in the Americas, Dutch Elm Disease or Smallpox in regards...

A: A disease in an infection that is spread from one individual of a species to another individual by c...

Q: Which type of air masses are most likely to affect in Connecticut during the winter and during the s...

A: In meteorology, the air mass is the amount of air defined by its temperature and water vapor content...

Q: What stream pattern results from excess sediment load?

A: Braided stream patterns are resulted from excess sediment load. 

Q: Generally speaking, would you say human intervention in coastal processes has been largely successfu...

A: The coastal zone is a powerful piece of the World's surface where both marine and barometrical clima...

Q: How do you think mate change will affe the frequency and intensity of floods, hurricanes and landsli...

A: Change in climate will affect the frequency and intensity of floods, hurricanes and landslides. Clim...

Q: Why are systems important in our environment?

A: The environment is something that is all around us. It is how we interact with the environment, deci...

Q: The Great Nebula in Orion   a. is a Herbig–Haro object.   b. is a reflection nebula.   c....

A: Orion Nebula is located in Milky way. This is also known as Great Nebula in Orion.

Q: How can something as heavy as a continent be so high? The Himalayas are more than 8,800 kilometers (...

A: Earth is a terrestrial planet, meaning it has a rocky surface that is primarily made up of silicate ...

Q: Which stars are the rarest?   a. red dwarfs   b. white dwarfs   c. G type   d. F typ...

A: A star is a galactic item comprising of a radiant spheroid of plasma held together by its own gravit...

Q: How does glacial ice in Greenland that is thousands of years old provide a record of climatic change...

A: Climate is the long term average of the weather pattern. Paleoclimatology is the study of climate fr...

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: Can you think of some factors that might affect the accuracy of an echo sounding?

A: Echo sounding is a type of SONAR used to determine the depth of water by propagating acoustic waves ...

Q: How the grain-size distribution of coarse-grained soil is determined ?

A: Soil is the uppermost layer of Earth, which is a mixture of minerals, organic matter, gas, water, et...

Q: When you see the TiO2 minerals (Anatase, Rutile, and Brookite) plus the quartz in the tabulation, wh...

A: Bauxite is a sedimentary rock containing heterogeneous minerals which were formed by the residual co...

Q: A main-sequence star is 20 times more luminous than the sun. How massive is it?

A: Luminosity is a measure of electromagnetic power or radiant power emitted by light emitting object. ...

Q: Can astronomical and meteorological tides interact?

A:   astronomical tides refers to the rise and fall of sea level due to gravitational interactions betw...

Q: Describe the general composition and structure of the atmosphere.

A: The general composition of atmosphere : About 99% of the atmosphere is made up of Nitrogen (78%) and...

Q: Identify the fire triangle in every situation. (a)Electrical fires during summers. (b)Stove fire use...

A: The fire triangle is defined as the three main factors that are necessary for the ignition of the fi...

Q: Thinking Analytically How much heat is required to melt a quart of ice resting at 0°C?

A: Water is the only substance on the earth that exists in all three states of matter, i.e., ice, liqui...

Q: What evidence is there that major extinctions of trilobites occurred very suddenly during the Cambri...

A: Fossils are the preserved remains or the traces of past life and their activity. With the help of fo...

Q: About how many times the global total value of ecosystem services from urban areas is that of temper...

A: The global total value for an ecosystem is calculated by multiplying the value of ecosystem services...

Q: Why do we refer to only one world ocean? What about the Atlantic and Pacific oceans, or the Baltic a...

A: Earth is a terrestrial planet, which has a rocky surface. 71% of earth's surface is covered with oce...

Q: What kinds of deposits indicate the presence of rugged terrain in the vicinity of a nonmarine deposi...

A: Mineral deposits on earth are the natural stores of raw minerals inside the earth’s crust and are to...

Q: Question 5 of 10 Which is a form of precipitation? O A. Sleet O B. Gas O C. Evaporation O D. Runoff

A: Precipitation- The term precipitation signifies the condensation of the atmospheric water vapor in f...

Q: Explain  1.Overpopulation of people 2.Exhaustion of the world’s natural non-renewable resources from...

A: A population is a group of individuals. A population can be of an entire nation or any community wit...

Q: Thinking Critically What do the facts that (a) granite underlies the edges of continents and (b) bas...

A: Earth is the third planet in the solar system. It is a terrestrial planet, meaning it has a rocky su...