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a) A planet of radius R has a core of radius R/2 which has a uniform density ρc. The mantle also has a uniform density ρm and the two densities are related by ρc = yρm Determine y if C/MR^2 = 1/3.b) Assume the average density of the entire Earth ρE = 5515 kg/m3. Using the result you found for y, derive the average densities of the core and mantle, ρc and ρm, respectively. For comparison, the volume-averaged densities on Earth are ρm = 4480 kg/m3 and ρc = 10640 kg/m3 . Comment on what the main reason is for why the approximate values are different from the observed average densities. ...

There have been multiple strategies proposed to remove - to sequester - atmospheric CO2 to curb rising global temperatures. Discuss the efficacy of two of the main strategies proposed using chemical principles and supporting literature, suggest which is the most promising method and why. What solution might you explore? I have attained the outline that I wrote and two references that I found. The essay should be up to 2000 words ...

Week 3: Spatial Data ModelsObjectives•Provide a definition of a ‘spatial data model’•Explain how spatial entities are used to create a data model•Distinguish between rasters and vectors•Describe a spatial data structure•Explain what topology is•List the advantages and disadvantages of different types of spatial modelsWeek 4: Relational Database ManagementObjectives•Differentiate between relational database management systems (RDBMS), databases, and data files.•Explain why we select the database approach for GIS•Define what a relational database is•Describe how databases are created•Describe GIS database applicationsWeek 5: Data Input, Throughput, and QualityObjectives• Review the concept, practice, and challenges of geocoding•Discuss georeferencing and digitization in detail•Distinguish between errors of accuracy and precision and their consequences in spatial analysisWeek 6: Vector AnalysisObjectives•Describe Measurements in GIS•Perform data queries in ArcGIS Pro•Explain techniques used in reclassification of data•Describe Buffering Functions and map overlaysWeek 7: A Brief Introduction to R & PythonObjectives•List applications/uses of a coding languages•Know many of the popular input file types•Understand/Replicate functions, syntax, style•Know the names of essential packages/libraries•List commonly automated...

1. Focus on the topic: How France government reacts to the energy-climate crisis like pay attention to nuclear power these decade years, also the electricity. (this would be the thesis of the paper)2. Applying geographical concepts and use strong evidence to support the thesis. Also the relationships with global issues. 3. 750 words. 4. Turnitin report required. 5. 61hrs limited to finishing this paper. ...

Choose one of the topics to write the essay.The Topics are provided below in the file.Essays should be fully referenced, up to 2,000 words long (including figure captions, but not including title or references), and include up to four figures. They should be typed in 12 pt size font, with citations using the author-date format, and provided in pdf format. Grades will be assigned with the aid of the rubric, which can be found on the course website. ...

Based on my field report assignment, write an analytical essay of 2000 words minimum and take the CULTURAL APPROACH.My neighborhood is #89 (Runnymede- Bloor West Village)https://www.toronto.ca/city-government/data-research-maps/neighbourhoods-communities/neighbourhood-profiles/ ...

This exercise explores more deeply some of the mass wasting concepts covered in lectures. In Part (A) we will make observations and collect some data for use in Part (B). ...

Type of paperAssignmentSubjectGeographyNumber of pages7Format of citation MLANumber of cited resources3Type of service writing1. Introduction 2. Location and Projected Reserves 3. Production of Petroleum 4. Environmental Impact of Petroleum Extraction Includes one map and maybe graphs. ...

Part I Types of FrontsA front is defined as the boundary between two airmasses. The major types being:mT - maritime Tropical (moist and warm)mP - maritime Polar (moist and cold)cT - continental Tropical (dry and warm)cP - continental Polar (dry and cold)When any of these airmasses meet, they form a front. Depending on which airmasses meet and which airmass is moving forward (and which is moving out of the way) you will have different kinds of fronts.The two main types of fronts are cold fronts, where cold air is advancing forward toward warm air, and warm fronts, where warm air is advancing forward toward cold air. This video gives a brief overview of these two types of fronts:What are weather fronts? (Links to an external site.)What are weather fronts?Question 1: Describe three (3) differences between cold and warm fronts.There are other types of fronts, however. When a cold or warm front stalls, or stops moving, we call this a stationary...

Lab Purpose and learning objectivesReport, describe, and interpret your observations of several features found in the Pacific NW.Formulate a hypothesis explaining how several landform features relate to each other and explain what took place to create them (Your story).Use the scientific method to structure your exploration and explanations.Instructions and Overviewa. You are going to investigate and solve a mystery about a geological phenomenon in our “backyard”. You will be given several pieces of evidence and multiple clues and hints containing geologic information for you to observe, formulate hypotheses about, and interpret. b. Using the eight pieces of evidence provided, and the large map of the Northwest with their locations, make observations and interpretations and record these in the table provided You will type these up and upload these to Canvas.c. Hints are provided along with the evidence to help guide your group and should be used for discussion when making your observations and interpretations. You do not need answer these...