What is the correct sequence of colonizing plants on an area released from a retreating glacier? a. moss → lichen and bacteria → grasses b. lichen → moss → grasses → shrubs c. weeds → shrubs → willows → conifers d. grass → small plants → larger plants → forest

Q: 84) The streak of Hematite is red, while the streak of magnetite is black. T F

A: Minerals are naturally occurring solid chemical compounds that have a fairly defined chemical compos...

Q: In your opinion what are the greatest threats to wildlife and habitats and conservation of wildlife?

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

Q: 65) Red sea is an example of divergent plate boundary. T F

A: Divergent plate boundaries are boundaries in which two plates move away from each other. They are al...

Q: A single-ended refractor profile designed to determine the depth to an underlying horizontal refract...

A: The cross-over distance is the length in the time-distance map of a seismic refraction survey where ...

Q: Describe two advantages of the multichannel CMP seismic survey, compared to the single-channel surve...

A: A seismic survey is a kind of geophysical survey that is used to study the interior of the earth. Ge...

Q: 50% of the carbon from fossil fuel emissions end up in the atmosphere. Where does the rest of it go?...

A: Half of the carbon from fossil fuel emissions end up in the atmosphere and the remaining are taken b...

Q: Explain briefly an in-situ method for the treatment of halogenated organic compounds in ground water...

A: Groundwater-contamination is a growing environmental-issue that may originate-from anthropogenic and...

Q: STEP 1& 2: ANNOTATE THE GRAPH Step 1: Identify what you see in the graph with arrows & use the text ...

A: The earth is the planet that was initially a ball of fire when it got formed. Later the climatic con...

Q: Explain how you can tell from the isobers that the wind is strong on the Island.

A: Isobar- It originates from the Greek word 'isos' means equal and 'baros' means weight. It refers to ...

Q: What are the two main materials that make up the Earth? Check all that apply.   a Gaseous hydrogen...

A: The interior structure of the earth is extremely complicated. There are many different types of mine...

Q: How did large amounts of oxygen build up in the Earth's atmosphere? A. Animals breathed in carbon ...

A: Oxygen was not quite as plentiful as it is now. Most scientists believe that the atmosphere lacked o...

Q: 22. Give two examples of promising substitutes for key mineral resources.

A: Mineral resources can be simply defined as those resources which hold some economic value. These res...

Q: With drawing a topographic diagram

A: Contour lines on a globe signify points with equal height. Contour lines are useful for estimating t...

Q: 79) Quartzite is an example of foliated metamorphic rocks. T F

A: Rocks are naturally occurring substances that are aggregates of minerals. The Earth's surface is mad...

Q: How does the amount of solar radiation we receive shape Earth's global climate system? Solar energy ...

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

Q: What are the projected impacts of a doubling of CO2 in the atmosphere?     Temperature extremes ...

A: The doubling of the level of concentration of carbon dioxide in the atmosphere leads to further incr...

Q: 102) The silicon tetrahedron is the fundamental building block of all minerals. T F

A: Various components are bound together in the form of building blocks. This helps in tying these thin...

Q: Given the seismic refraction records at two points A and B located at the ends of an 80m traverse. U...

A: The first arrival times of P-waves (longitudinal or compressional waves) at the earth's surface can ...

Q: Briefly explain the possible evolution of the sun after the helium flash phase.

A: Ever since the beginning of the Universe, matter and energy were created. These matters and energy e...

Q: I. True or False Directions: Read each statement carefully. Write TRUE if the statement is correct a...

A: As you have not mentioned which question to answer, we will answer the first three questions for you...

Q: What was the average concentration of CO2 in the Earth's atmosphere for ~ 880,000 years, prior to 17...

A: The mean level of atmospheric carbon dioxide in the period the 1750s are about 280 ppm. Follow that ...

Q: Earth Science Question

A: Constellation can be defined as a group of stars that forms a particular pattern. It helps in locati...

Q: Define equivalence and suppression as associated with the electrical resistivity. How do these influ...

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

Q: The climate is always changing or it has changed many times in the past before humans began burning ...

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

Q: discuss the effects of the changing global temperature on other aspects of Earth, such as regional c...

A: The climate is changing, and it is mainly due to anthropogenic activities. Overexploitation of natur...

Q: Studies on the 2 barnacles Balanus and Chthalamus on intertidal rocks showed that: O a. The 2 specie...

A: By analysing the question, We need to tell what did 2 barnacles Balanus and Chthalamus on inermidial...

Q: to make a concept map on the topic of environmental impact. I would be very grateful for your respon...

A: Enviroment include all the living and non living thing which are present around us. All these things...

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A: The universe has several galaxies which consist of celestial bodies including stars, planets, astero...

Q: 1) Listen A seismic recording station located 4000 kilometers from the epicenter of an earthquake re...

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Q: Brachiopods are also good index fossils because _____ and _____.(2)

A: A marine invertebrate animal division, surrounded by a shell composed of two leafs: one on the abdom...

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A: A unit of rocks which contain different rock with variety of separate layers overlying each other th...

Q: What has been the increase in global average surface temperature since 1880-1900?

A: The earth's system is sub-divided into 4 other systems, namely the atmosphere, biosphere, lithospher...

Q: What are the threats and protections of coral reefs?

A: Coral reefs are the colonies of polyps held together by means of shells of calcium carbonate. A cora...

Q: What is the relationship between carbon dioxide emissions and temperatures

A: By analysing the question, We need to find the relationship between carbon dioxide emissions and tem...

Q: in 2004 Astronomers reported the discovery of a large Jupiter sized planet orbiting in circuler path...

A: The universe is defined as totality of everything which exists including physical matters, energy, p...

Q: how would an increase in the availability of a resource that was limiting the herbivore population s...

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

Q: What is one of the key impacts of the increasing CO2 uptake by the ocean?     The ocean gets col...

A: The increasing concentration of carbon dioxide into the atmosphere leads to an increase in carbon in...

Q: What is the indusium description of Sword fern? Based on the text given.

A: Polystichum munitum also called Western Sword Fern is a native of western North America, where it is...

Q: Draw lithostratigraphic correlation lines between the rock units A, B, and C in Figure Use solid lin...

A: Lithostratigraphy is the study of rock layers or rock strata and correlating them. It is a sub-divis...

Q: Which difference between land and water contributes MOST directly to global climate change resulting...

A: Global climate change refers to the change in the climate pattern at different places on earth due t...

Q: What type of star is very small and dense and was created after a supernova of a massive, huge star?...

A: Neutron stars are well known for their high density. They have also a small size and possess greater...

Q: New paleoclimate reconstructions from North America and Europe have shed new light on the Holocene T...

A: The geological timescale is the system of classification of the geological strata in time. It is div...

Q: Read the situation below. The complete the task that follows.   Help me

A: A hazard is any agent that can cause harm to humans and the environment. Risk is the possibility of ...

Q: With the aid of a diagram, explain why the Moon's orbital distance from the Earth is expanding and t...

A: Moon is the natural satellite of earth which revolve around the earth in a specific orbit in a speci...

Q: 7.       Define Reservoir. Give the source for the definition.  8.       What is the importance of ...

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question s...

Q: What is KYOTO PROTOCOL? Explain its goals.

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

Q: 7

A: Earth is the third planet in the solar system. It has a rocky surface primarily made up of silicate ...