What was the average concentration of CO2 in the Earth's atmosphere for ~ 880,000 years, prior to 1750? 280 ppm 560 ppm 128 ppm 1200 ppm

Q: Not believing in, or refusing to acknowledge climate change, is called _____. Climate denial D...

A: Climate change is the change in regional or global climate patterns. It primarily affects the wind a...

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: Climate change is one of the most important issues facing us today. Scientists have shown that start...

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

Q: Can a living plant or animal maintain a ratio of carbon-14 to carbon-12 that is nearly identical to ...

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

Q: Do you think you could light a log with a single matchstick? e. How about twigs or smaller pieces of...

A: For a fire to burn 3 things are need which are Fuel, heat and oxygen. When lighting a log fuel is lo...

Q: Which option is it?

A: The fact that since the dawn-of the industrial-revolution people have been going on addition carbon ...

Q: 1. Which of the following are examples of secondary succession? *         Vegetation gr...

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

Q: The exact underground location where an earthquake occurs is called the *       epi...

A: Earthquake is a natural geological event that is defined as sudden vibration of earth's crust. It is...

Q: Claim- Humans have changed the natural carbon cycle on earth resulting in global warming. For eviden...

A: The carbon cycle is the natural cycle of carbon in the ecosystem. Carbon is present in the atmospher...

Q: What’s the deal with airliners and volcanic eruptions? Why are flights cancelled when there’s just a...

A: Firstly, let us discuss something about volcanic eruptions, Volcanic eruptions: When the lava and ga...

Q: Dorothia fossil 1-determine oceanic environment zones and pollution influences in coastal water. ...

A: Dorothia fossil- This is a fossil of the foraminifera species. This fossil belongs to the Dorothia C...

Q: Draw an ocean wave and label its parts. Include a definition of wave period.

A: Ocean waves are the resulting action by winds and also tides. The waves are the ones that continuous...

Q: Below is a diagram showing a portion of the mid-oceanic ridge system on the bottom of the Atlantic U...

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

Q: What type of twilight is used by astronomers to observe deep space celestial objects during the nigh...

A: The objects that can be observed by the illumination of the objects present at the lower atmosphere ...

Q: In studying an area of tectonic compression, a geologist discovers a sequence of older, more deforme...

A: Angular unconformity is the tilt or any other deformations, which is generally found in sedimentary ...

Q: Using the phase diagram below, which mineral would you expect to find in metamorphosed shale located...

A: A phase diagram depicts the temperature and pressure over which the minerals occur in a stable manne...

Q: Volcanic and other such activity at the mid-Atlantic ridge extrudes material to fill the gap between...

A: Our current map of seven continents has not changed since its first creation. It seems the continent...

Q: Question 14 Referrals are a component of random O snowballing quota

A: Option B will be the correct answer.

Q: Q1. Organisations face direct social‐ecological risks. Discuss the concept social ‐ ecological risks...

A: Step 1: Introduction “Since you have asked multiple questions, we will solve the first question for ...

Q: What factors most often limit phytoplankton productivity?

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

Q: What is meant by the semi major axis of an ellipse?     The semi-major axis is shortest in dia...

A: The semi-major axis of a ellipse is used in Kepler's third law. It is used to determine the orbital ...

Q: I. Multiple Choice Directions: Write the letter of the correct answer on the space provided before e...

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

Q: Which takes the lead in producing the hill in the middle of a geostrophic gyre—the pressure gradient...

A: Firstly, let us discuss something about a geostrophic gyre, Geostrophic current: An oceanic current...

Q: Siphonina Aperture: Chambers: Periphery: Proloculus: Septum (last): Shell: Sutures: Umbo: Whorls: Ha...

A: The living kingdom has been distributed into five kingdoms as Monera, Protists, Fungi, Animal, and P...

Q: Historically, barrier islands have been hard to protect because links between them and inshore ecosy...

A: Barrier islands are waterfront landforms and a kind of ridge framework that are outstandingly level ...

Q: What caused the Red Sea to form?

A: The red-sea is the sea that is located between Africa and Asia. It connected with the Indian-Ocean i...

Q: Which rock was most likely formed from pebble sized sediment deposited in shallow water at an ocean ...

A: Sedimentary rocks: are formed of grains separated from pre-formed rocks and deposited and their part...

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...

Q: Which characteristic of wheat helped India to attain the green revolution?

A: Wheat is essentially cultivated to obtain it seed which is a cereal grain and is used worldwide as a...

Q: What is the policy cycle, and how does it work?

A: Firstly, let us discuss something about policy,  Policy: A principle of action adopted or proposed b...

Q: Explain radiative forcing.

A: Radiative forcing is defined as the measure of variation between the arriving energy and departing e...

Q: Importance of D layer to human on Earth

A: When radio radiation leaves the surface of the Earth and travels upwards, the primary region of inte...

Q: How can oxygen-isotope ratios be used as an ancient thermometer?

A: The Earth comprises various kinds of matter. These matters can exist in solid, liquid, or gaseous st...

Q: What is sustainability? Explain why learning from the earth is a key to learning to live more sustai...

A: The natural environment is made up of all the living and non-living things that are occurring natura...

Q: What are fossil fuels?

A: Fossil fuels are the fuels that are stored in the subsurface as like fossil. These fuels are formed ...

Q: What evidence is there that eukaryotic organisms existed 2 billion years ago?

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

Q: Relate this situation of the “kissing silos” to our topic on effective stress.

A: The kissing silos in Canada are the two silos or tower-like structures that are used for storing for...

Q: At the present rate of seafloor spreading, the entire seafloor is recycled every 200 million years. ...

A: Mid oceanic ridges are the places or region of earth where two tectonic plate move away from each ot...

Q: Why is it likely that life arose in the vicinity of midocean ridges?

A: Firstly, let us discuss something about midocean ridges, Mid-ocean Ridge: A seafloor mountain syste...

Q: What is the importance of mass extinction events in stratigraphy?

A: Stratigraphy is a branch of geology that studies the rock layers, their formation, evolution, etc. T...

Q: What is the importance of locating places on earth

A: Today, in the time of advanced science and technology, any place on the earth can be easily located....

Q: Please help

A: Fossil fuels are combustible geological materials formed by the deposition and burial of organic mat...

Q: What do we mean by carbon-fixation or nitrogen-fixation? Why is it important to humans that carbon a...

A: The carbon and nitrogen cycle is important for a sustainable environment. This cycle starts from the...

Q: Phobos and Deimos

A: The planet-Mars is also known as the red planet and is the second-smallest planet in the solar syste...

Q: Look at the following figures and try to identify the services provided by the ecosystem depicted. C...

A: By reviewing the question, We need to Classify each service as provisional, regulating, supporting a...

Q: Which governing body oversees global climate policy-making?

A: Climate and weather are two important aspects that determine and regulates human life on an everyday...

Q: How many times greater is the glow of a star with a radius 2 times warmer and 3 times larger than th...

A: Since stars are incredibly hot, they glow brightly. Nuclear reactions deep within star’s core are th...

Q: Discuss Photochemical Reactions in the Atmosphere?

A: Photochemical reactions take place in atmosphere due to the absorption of solar radiation in the UV ...

Q: What is density stratification? What does it have to do with the present structure of Earth?

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

Q: Infomercial about Climate Change

A: Climate change is defined as the variation in climate is caused by the direct or indirect influence ...