{"version":"1.0","type":"rich","title":"Fork of activity_6_task_4","description":"A geographic bubble chart maps California housing data from a GitHub-hosted CSV, plotting longitude and latitude as axes. Each bubble’s radius encodes population, while its color reflects median house value using a D3 sequential color scale with an interpolateCool gradient and a legend. The chart renders as SVG via D3 v-scaleLinear and scaleSqrt, with axes labeled and bubbles styled with opacity and black strokes.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/dcec42a0afa64e6d82c4de7bf871a6f9?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}