The first vertebrate animals that lived on land appeared on earth about 500 million years ago. If you find a fossil of one of these organisms, what do you know about the age of the rock that it's in?

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: Sketch briefly the major developments in marine science since 1900. Do individuals, separate voyages...

A: Oceans are large cauldrons of water and living organisms. To date, we have not yet fully understood ...

Q: #Climatechange or #Globalwarming.

A: The occurrence of climate-change and global warming is not just due to the presence f human on the e...

Q: What is the importance of adaptation as a mechanism for survival of a species and the things an indi...

A: Adaptation is a vital, expert, practice-based process that is represented in increasing the individu...

Q: Describe municipal treatment for water purification?

A: In municipal water treatment plants the water moves through large filter media made of sand, gravel ...

Q: In this graphic, two plates are sliding past each other, which is known as a transform fault. Which ...

A: The transform-fault is also called a transform-boundary is a type of plate boundary that moves in de...

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 do geologists know more about the life that colonized early Paleozoic seafloors than about the l...

A: The Paleozoic era started at around 540 million years ago and lasted till 251 million years ago. The...

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: How do turbidity currents distribute sediments? What do these sediments (turbidites) look like?

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

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: The type of volcanic activity on Earth has changed in time from basaltic to andesitic. has changed f...

A: Earth has shown various events in its history. Volcanism has always been observed since its inceptio...

Q: Where did the Grenville orogeny occur?

A: The Grenville orogeny was associated with assembly of Rodinia, the supercontinent and was an mountai...

Q: O3 is produced in the troposphere through the photochemical oxidation of NO2. The photolytically for...

A: By the review of the question. We need to find out if the given reaction is endothermic or exothermi...

Q: Why Biostratigraphy is independent of Lithostratigraphy?

A: Stratigraphy is the branch of geology that studies the formation, evolution, and relative ages of di...

Q: Plants using the CAM pathway occur in many locations but are most common in very arid locations, suc...

A: Plants have a variety of characteristics in them depending on the location of existence. Some plants...

Q: Which of the following is mismatched? *       Convergent boundary - mountains ...

A: As long as you ask a multiple question, only the first three questions will be answered. Please spec...

Q: Define radiation

A: Energy can be transferred from one place to another and from one object to another by three processe...

Q: Which country do you suppose has the largest EEZ?

A: The exclusive economic zone: It is a territorial area in the sea that the state exploits economicall...

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: 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: Where are distinct water masses formed?

A: Water mass is defined as a column of oceanic water with a characteristic slight span of temperature,...

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: What is water pollution? How does water resource become polluted? Cite examples of water pollution s...

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

Q: Which option is it?

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

Q: Please help

A: Resources are the naturally available stores of minerals and elements useful for mankind. Some of th...

Q: Is there anything geographically special about the place where zero longitude is located? What about...

A: The globe is cleaved into different parts with the help of imaginary lines. These lines are divided ...

Q: Are there tides in the solid Earth?

A: Earth Tides Earth is rotating in an orbit around the sun and moon is orbiting around the earth. Both...

Q: The picture below shows the backside of Half Dome in Yosemite National Park. What type of weathering...

A: Weathering is the process of disintegration and dissociation of rocks. It occurs with the transporta...

Q: Based on the answer from #1, what is the climate stabilization scenario used in IPCC 2013?

A: By analysing the question, We need to tell what is the climate stabilization scenario used in ipcc 2...

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 is the date of the  Autumnal Equinox for 2021?     December 21st       September 21st...

A: By reviewing the question, We need to tell the date of Autumnal Equinox for 2021, Below you can find...

Q: Infer from Figure 2.17 how long the ozone hole lasts.

A: Ozone gaps are the gaps that are seen in the layer that cushions the earth. This layer is the ozone ...

Q: Thinking Critically Describe the mechanism that powers the movement of the lithospheric plates.

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

Q: Why is the fact that ice floats important to Earth’s generally moderate climate?

A: The earth is the only planet where water can exist in a liquid state which makes the conditions suit...

Q: Define the primary duties of an Environmental Manager and describe how they would be employed to red...

A: By reviewing the question, We need to Define the primary duties of an Environmental Manager. Below y...

Q: Many new technologies or innovations in the past proved to have unforeseen negative consequences (e....

A: In the past few decades, it has been observed that different new technologies and innovations have b...

Q: Part one 1. what is the subject matter of a coil pot and describe the elements of art used in  the  ...

A: By analysing the question, We need to tell what is the subject matter of a coil pot and describe the...

Q: With reference to the concept of carrying capacity and environmental value systems discuss the quota...

A: The environment is defined as the natural world inculcating all living and non-living components of ...

Q: The images below show the surface of the Earth as viewed from the sky (maps). Which map (A-D) best i...

A: By analysing the question, We need to identify the epicenters of earthquake. Below you can find your...

Q: 88.5 NW 88.0- 87.5 87.0 87.1 -86.5 87.1 87.1 SE Lake 86.0 SW What is the probability that the plume ...

A: Various volcanic activities are observed on earth. They can be in form of eruptions or plumes, where...

Q: Why is lightning concentrated over the land and relatively uncommon over the oceans?

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

Q: Compare and contrast the Wells G&H case study health and environmental risks using their specifi...

A: By analysing the question, We need to Compare and contrast the Wells G&H case study health and e...

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: What is the carbon cycle?

A: Earth has various processes taking place at every moment. Energy cycles via food chains. The matter ...

Q: Why does Earth have plate tectonics and continents?

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

Q: Please help

A: CO2 is a heat-absorbing and radiating greenhouse gas. The surfaces of the Earth (land and ocean), wh...

Q: What is thermal Incinerator?

A: The process of waste incineration is considered the latest trend of humanity with regard to disposin...

Q: ____ referrers to the point at which humans have extracted half the world’s oil reserves and product...

A: Energy is very essential for human civilization to develop. Energy is required for industries, house...

Q: What is the importance of Science Communication? Is it essential today especially in the case of COV...

A: Those activities related to information exchange, which occur mainly among scientific researchers im...