Compare the changes in Earth's past and present atmosphere Earth's atmosphere today - Traces of carbon dioxide, water vapour, ammonia, methane Earth's early atmosphere 4% water vapour -Traces of nitrogen, ammonia, methane 21% oxygen 95% carbon dioxide 78% nitrogen Average surface temperature above 400°C Average surface temperature 20 °C

Q: Which marine zone would have the  lowest total rate  of photosynthesis?   photic littoral…

A: The objective of the question is to identify the marine zone with the lowest total rate of…

Q: Explain the causes of the greenhouse effect, and state what scientists believe will be the effects…

A: Greenhouse effect is the general process by which the atmosphere is getting heated up by trapping…

Q: essive trait. Which of the following describes the probability of hemophilia in the offspring of a…

A: NOTE : Here I am giving answer of first part . Please put up your second  question in the next part…

Q: Discuss the origin of the greenhouse gases CO2, methane, and nitrogen oxide species

A: Greenhouse effect is the mechanism in which certain compounds/gases in the atmosphere prevent the…

Q: MULTIPLE CHOICE Question 14 What is the connection between excess carbon in the atmosphere and the…

A: -Anything which absorbs more carbon than it releases is the carbon sink. -Ocean absorbs around 50…

Q: Describe the major climate during your time era. Climate mainly includes average temperatures  and…

A: Climate:- Climate is defined as conditions prevailing in an area for a long period of time.

Q: ly by carbon dioxide and many marine organisms that produce carbonate shells 2. Why are human…

A: Introduction: The uptake of carbon dioxide from the atmosphere causes an ongoing decline in the pH…

Q: If abiotic origin of life is in progress on a planet other than earth, what should be the conditions…

A: Abiotic origin of life or abiogenesis refers to the production of new life forms from the nonliving…

Q: Which term describes a major reservoir of carbon compounds? Select one: carbon pump carbon dam…

A: The carbon sink absorbs more carbon than it releases.

Q: What does a build up carbon dioxide do to our atmosphere? O It "fixes" nitrogen OIt depletes the…

A: Any gas that absorbs infrared radiation from the surface of the earth and releases radiant energy…

Q: Give at least five (5) insights about ocean Basin

A: The ocean is a water body that comprises most parts of the hydrosphere of the Earth. The Ocean of…

Q: Over the last 50 years, the carbon dioxide abundance in the atmosphere has decreased, and the…

A: The answer of the following question is given below.

Q: ing? The Carbon Cycle 1 5 1-water vapor; 4 - runoff 1-atmospheric nitrogen; 4 - nitrifying bacteria…

A: The carbon cycle depicts the continuous movement of carbon atoms from the environment to the Land…

Q: Your friend's cottage is on a lake that has experienced numerous blooms of cyanobacteria (blue green…

A: A combination of warm temperatures, sunlight amd nutrient rich waters can cause blue green algae to…

Q: Describe two recently recognized sources of organic nitrogen in the open ocean

A: Air is composed of almost 80% nitrogen. They are usually present as inert nitrogen gas. Several…

Q: A form of oxygen that has three oxygen atoms in each molecule instead of the usual two; toxic to…

A: It occurs both in earth's upper atmosphere and the lower atmosphere. It is the most abundant…

Q: Which two gases absorbed by the oceans are the most important? O carbon dioxide & methane O carbon…

A: Different gases are present within the atmospheric air in different proportions. The ocean (and also…

Q: Life originated from the earth’s inorganic atmosphere in the post, but this no longer happens today.…

A: Theories from various scientists propose that in Earth's prebiotic history, simple organic matter…

Q: Figure 1. The ecosystem structure and functioning are governed by at least five ndependent control…

A: Ecological Diversity refers to the different types of ecosystem within a specified area. For…

Q: climate

A: Climate changes can act to directly influence species distributions (e.g., drought, floods, wind) as…

Q: Which of the following would lead to a DECREASE in atmospheric methane concentration?

A: Methane. Methane is a chemical compound and alkane has the formula CH4. It serves as the major…

Q: Define the following terms: Science Systems Disturbances Ecosystem Feedbacks Matter Energy…

A: The necessity and curiosity of man to know about himself and his surroundings has led him to…

Q: compare the attached diagrams and include a detailed analysis of the diagrams

A: Introduction  There is a conversion of matter in different forms in the form of biogeochemical…

Q: In what natural forms is carbon found? Name three ways carbon isreturned to the atmosphere and a way…

A: Carbon is a chemical element which is most abundantly available and is a important element for all…

Q: Which climograph represents the biome that supports the smallest variety of organisms? F H 14 14 12…

A: Introduction Biome is a large collection of flaura and fauna.

Q: Carbon is released from organisms as part of cellular respiration. If the organism lives on land,…

A: The question is asking us to identify the part of the biosphere where carbon is released by…

Q: global warming

A: Global warming: global warming , the term refferes to the atmosphereic condition of gradual rise in…

Q: Why do individuals ignore the evidence for global warming while most biologists and climatologists…

A: Global warming is the long-term action of the Earth's climatic system seen during the pre-industrial…

Q: This figure shows "dead zones" around where the Mississippi river flows in to the Gulf of Mexico…

A: Dead zones, within the realm of oceanic ecosystems, denote regions where oxygen levels plummet to a…

Q: How the Earth's atmosphere acts as a greenhouse (be specific)? Why is Earth's greenhouse effect…

A: The sun's light can reach Earth's surface thanks to greenhouse gases, which then trap the heat that…

Q: explain carbon flows 1500 AD and 2000 AD

A: Carbon flow is one of the biogeochemical cycles and carbon is one of the main composition in…

Q: Which one of the options below best describes where the water column meets the sea floor? The…

A: Depending upon the light availability and depth ,there are different zones categorised in the marine…

Q: In three to five sentences, describe how the diagram of Earth’s carbon cycle demonstrates the…

A: The carbon cycle is a cyclic process that resues the carbon that travels from the lithosphere to the…

Q: You are approached by a community group concerned about the potential biomagnification of an organic…

A: Ecosystem is a functional unit comprising all the organisms in a particular place interacting with…

Q: Please

A: Carbon dioxide is one of the major greenhouse gas on the earth. The emission of CO2 is elevated due…

Q: List some examples of carbon stores for each sphere.

A: Storage of Carbon  --The Carbon cycle is the biogeochemical cycle by which Carbon is exchanged…

Q: Investigate the cause of the greenhouse effect by completing each sentence. greenhouse gases solar…

A: The solar radiation from the sun is the sources of all type of energy within the earth. The plants…

Q: Label the simplified carbon cycle below.

A: The carbon cycle describes the biological cycle of carbon element that makes a cycle by passing…

Q: Which of the following is an example of a proxy record of past c ) the instrumental temperature…

A: Keeping climate records of temperature, humidity, precipitation, and other things have been…

Q: Imagine you are testing water samples from a local pond for pollutants. Your lab instructor sees the…

A: Dissolved Oxygen is defined as the measure of how much oxygen is dissolved in water i.e., the amount…

Q: What metaphor did Wegener use to explal moved? an icebreaker ship cutting through sea ice O a hot…

A: Theory of Continental Drift