{"version":"1.0","type":"rich","title":"Activity 7 AreaChart","description":"A D3.js area chart visualizes USA CO2 emissions from 2000 to 2024, with a steelblue filled region showing emission changes over time. The chart loads data from a remote CSV file, parses it using `d3.csv`, and renders the area via `d3.area()` with linear scales for both axes. Axes are generated with `d3.axisBottom` and `d3.axisLeft`, while labels and a title provide context.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/de4f0558fc844b66922c99c52d7d6962?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}