• For Individuals
  • For Businesses
  • For Universities
  • For Governments
Coursera
  • Online Degrees
  • Careers
  • Log In
  • Join for Free
    Coursera
    • Browse
    • Understanding 911 Why 911 Happened
    Skip to search results

    Filter by

    Subject
    Required
     *

    Language
    Required
     *

    The language used throughout the course, in both instruction and assessments.

    Learning Product
    Required
     *

    Build job-relevant skills in under 2 hours with hands-on tutorials.
    Learn from top instructors with graded assignments, videos, and discussion forums.
    Learn a new tool or skill in an interactive, hands-on environment.
    Get in-depth knowledge of a subject by completing a series of courses and projects.
    Earn career credentials from industry leaders that demonstrate your expertise.

    Level
    Required
     *

    Duration
    Required
     *

    Skills
    Required
     *

    Subtitles
    Required
     *

    Educator
    Required
     *

    Results for "understanding 9/11: why 9/11 happened "

    • Status: Free Trial
      Free Trial
      U

      University of California, Irvine

      The Arduino Platform and C Programming

      Skills you'll gain: Embedded Software, Embedded Systems, Debugging, C (Programming Language), Electronic Hardware, Integrated Development Environments, Electronic Components, Development Environment, Computer Programming Tools, Computer Hardware, Computer Programming, Digital Communications

      4.7
      Rating, 4.7 out of 5 stars
      ·
      7.2K reviews

      Mixed · Course · 1 - 4 Weeks

    • Status: Free Trial
      Free Trial
      I

      IBM

      Generative AI for Human Resources (HR) Professionals

      Skills you'll gain: Prompt Engineering, Generative AI, ChatGPT, HR Tech, Human Resources Software, Human Resources Management and Planning, Human Resources, Workforce Planning, OpenAI, Human Resource Strategy, Data Ethics, Large Language Modeling, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Content Creation, Employee Engagement, Recruitment, IBM Cloud, Performance Appraisal, Employee Onboarding

      4.7
      Rating, 4.7 out of 5 stars
      ·
      8.5K reviews

      Intermediate · Specialization · 1 - 3 Months

    • Status: New
      New
      Status: Free Trial
      Free Trial
      A

      AAPC

      Coding and Medical Necessity

      Skills you'll gain: ICD Coding (ICD-9/ICD-10), Medical Billing and Coding, Revenue Cycle Management, Medical Records, Health Information Management, Medical Terminology, Health Care Procedure and Regulation

      4.4
      Rating, 4.4 out of 5 stars
      ·
      7 reviews

      Beginner · Course · 1 - 3 Months

    • Status: Free Trial
      Free Trial
      U

      University of California, Irvine

      The Art of Negotiation

      Skills you'll gain: Negotiation, Emotional Intelligence, Relationship Building, Conflict Management, Communication, Interpersonal Communications, Leadership, Empowerment, Influencing, General Sales Practices, Assertiveness, Planning, Adaptability

      4.5
      Rating, 4.5 out of 5 stars
      ·
      3.1K reviews

      Mixed · Course · 1 - 4 Weeks

    • Status: Preview
      Preview
      D

      Duke University

      Medical Neuroscience

      Skills you'll gain: Neurology, Anatomy, Kinesiology, Medical Science and Research, Psychology, Pathology, Molecular Biology, Biology, Pharmacology

      4.9
      Rating, 4.9 out of 5 stars
      ·
      3K reviews

      Advanced · Course · 3 - 6 Months

    • Status: Free Trial
      Free Trial
      U

      University of California, Irvine

      Introduction to the Internet of Things and Embedded Systems

      Skills you'll gain: Embedded Systems, Internet Of Things, General Networking, Operating Systems, Wireless Networks, Network Protocols, Computer Hardware, Emerging Technologies

      4.7
      Rating, 4.7 out of 5 stars
      ·
      13K reviews

      Mixed · Course · 1 - 4 Weeks

    • Status: Free Trial
      Free Trial
      I

      IBM

      Data Analysis and Visualization Foundations

      Skills you'll gain: Data Storytelling, Data Visualization, Big Data, Data Visualization Software, Data Analysis, Dashboard, IBM Cognos Analytics, Statistical Analysis, Data Mining, Apache Hadoop, Tree Maps, Excel Formulas, Apache Hive, Data Science, Microsoft Excel, Data Warehousing, Data Quality, Data Cleansing, Scatter Plots, Apache Spark

      Build toward a degree

      4.7
      Rating, 4.7 out of 5 stars
      ·
      29K reviews

      Beginner · Specialization · 3 - 6 Months

    • Status: Free Trial
      Free Trial
      U

      University of Michigan

      Using Python to Access Web Data

      Skills you'll gain: Web Scraping, JSON, Network Protocols, Web Services, Restful API, Application Programming Interface (API), Extensible Markup Language (XML), Data Import/Export, Data Access, TCP/IP, Python Programming, Scripting, Hypertext Markup Language (HTML), Data Capture, Text Mining

      4.8
      Rating, 4.8 out of 5 stars
      ·
      44K reviews

      Beginner · Course · 1 - 3 Months

    • Status: Free Trial
      Free Trial
      M

      MedCerts

      Medical Billing and Coding Fundamentals

      Skills you'll gain: Medical Terminology, Revenue Cycle Management, Healthcare Ethics, Medical Billing and Coding, Conflict Management, Anatomy, Pathology, Cultural Responsiveness, ICD Coding (ICD-9/ICD-10), Patient Education And Counseling, Electronic Medical Record, Cultural Diversity, Cultural Sensitivity, Professionalism, Copayment Collection and Processing, Health Care Procedure and Regulation, Medical Records, Health Information Management and Medical Records, Health Care, Payment Processing

      4.8
      Rating, 4.8 out of 5 stars
      ·
      1.6K reviews

      Beginner · Specialization · 3 - 6 Months

    • Status: Free Trial
      Free Trial
      G

      Google

      Ask Questions to Make Data-Driven Decisions

      Skills you'll gain: Spreadsheet Software, Stakeholder Communications, Dashboard, Data-Driven Decision-Making, Data Analysis, Analytical Skills, Data Presentation, Business Analysis, Expectation Management, Quantitative Research, Problem Solving

      4.7
      Rating, 4.7 out of 5 stars
      ·
      34K reviews

      Beginner · Course · 1 - 4 Weeks

    • Status: Free Trial
      Free Trial
      G

      Google

      Foundations of Project Management

      Skills you'll gain: Project Management Life Cycle, Change Management, Organizational Structure, Project Management, Organizational Change, Program Management, Project Closure, Agile Methodology, Project Planning, Waterfall Methodology, Strategic Thinking

      4.9
      Rating, 4.9 out of 5 stars
      ·
      97K reviews

      Beginner · Course · 1 - 4 Weeks

    • Status: New
      New
      Status: Free Trial
      Free Trial
      P

      Pearson

      A+ Core 2 V15 - Pearson Cert Prep: Unit 3

      Skills you'll gain: Mobile Security, Microsoft Windows, Problem Management, System Support, Technical Support and Services, Security Management, Android (Operating System), Computer Security Incident Management, Application Security, Debugging, Apple iOS, Application Performance Management, Performance Tuning

      Intermediate · Course · 1 - 4 Weeks

    Searches related to understanding 9/11: why 9/11 happened

    understanding 9/11: why 9/11 happened & how terrorism affects our world today
    1…141516…418

    In summary, here are 10 of our most popular understanding 9/11: why 9/11 happened courses

    • The Arduino Platform and C Programming: University of California, Irvine
    • Generative AI for Human Resources (HR) Professionals: IBM
    • Coding and Medical Necessity: AAPC
    • The Art of Negotiation: University of California, Irvine
    • Medical Neuroscience: Duke University
    • Introduction to the Internet of Things and Embedded Systems: University of California, Irvine
    • Data Analysis and Visualization Foundations: IBM
    • Using Python to Access Web Data: University of Michigan
    • Medical Billing and Coding Fundamentals: MedCerts
    • Ask Questions to Make Data-Driven Decisions: Google

    Other topics to explore

    Arts and Humanities
    338 courses
    Business
    1095 courses
    Computer Science
    668 courses
    Data Science
    425 courses
    Information Technology
    145 courses
    Health
    471 courses
    Math and Logic
    70 courses
    Personal Development
    137 courses
    Physical Science and Engineering
    413 courses
    Social Sciences
    401 courses
    Language Learning
    150 courses

    Coursera Footer

    Technical Skills

    • ChatGPT
    • Coding
    • Computer Science
    • Cybersecurity
    • DevOps
    • Ethical Hacking
    • Generative AI
    • Java Programming
    • Python
    • Web Development

    Analytical Skills

    • Artificial Intelligence
    • Big Data
    • Business Analysis
    • Data Analytics
    • Data Science
    • Financial Modeling
    • Machine Learning
    • Microsoft Excel
    • Microsoft Power BI
    • SQL

    Business Skills

    • Accounting
    • Digital Marketing
    • E-commerce
    • Finance
    • Google
    • Graphic Design
    • IBM
    • Marketing
    • Project Management
    • Social Media Marketing

    Career Resources

    • Essential IT Certifications
    • High-Income Skills to Learn
    • How to Get a PMP Certification
    • How to Learn Artificial Intelligence
    • Popular Cybersecurity Certifications
    • Popular Data Analytics Certifications
    • What Does a Data Analyst Do?
    • Career Development Resources
    • Career Aptitude Test
    • Share your Coursera Learning Story

    Coursera

    • About
    • What We Offer
    • Leadership
    • Careers
    • Catalog
    • Coursera Plus
    • Professional Certificates
    • MasterTrack® Certificates
    • Degrees
    • For Enterprise
    • For Government
    • For Campus
    • Become a Partner
    • Social Impact
    • Free Courses
    • ECTS Credit Recommendations

    Community

    • Learners
    • Partners
    • Beta Testers
    • Blog
    • The Coursera Podcast
    • Tech Blog

    More

    • Press
    • Investors
    • Terms
    • Privacy
    • Help
    • Accessibility
    • Contact
    • Articles
    • Directory
    • Affiliates
    • Modern Slavery Statement
    • Do Not Sell/Share
    Learn Anywhere
    Download on the App Store
    Get it on Google Play
    Logo of Certified B Corporation
    © 2025 Coursera Inc. All rights reserved.
    • Coursera Facebook
    • Coursera Linkedin
    • Coursera Twitter
    • Coursera YouTube
    • Coursera Instagram
    • Coursera TikTok