Biology — Enzyme Activity vs Temperature

{
  "$schema": "https://vega.github.io/schema/vega-lite/v5.json",
  "description": "Enzyme activity vs temperature",
  "data": {"values": [
    {"temp":0,"activity":5},
    {"temp":10,"activity":20},
    {"temp":20,"activity":45},
    {"temp":30,"activity":75},
    {"temp":37,"activity":100},
    {"temp":45,"activity":70},
    {"temp":50,"activity":30},
    {"temp":60,"activity":3}
  ]},
  "mark": {"type":"line","point":true},
  "encoding": {
    "x": {"field":"temp","type":"quantitative","title":"temperature (C)"},
    "y": {"field":"activity","type":"quantitative","title":"relative activity (%)"}
  }
}