Production of electronic and mechanical components can produce a range of materials that are dangerous to dispose of, such as lead, mercury and cadmium. The Restriction of Hazardous Substances ...

Bend an object's ends past each other - eg when an archer pulls an arrow back against a bow. Pull an object's ends apart - eg when a rubber band is stretched. Push an object's ends together - eg ...

Feb. 11, 2025 — Researchers have uncovered the origins and genetic diversity of the Fulani, one of Africa's largest pastoral populations. The study reveals a complex genetic ancestry with ...

This guide provides a day-by-day study plan, important topics, revision techniques ... Section B: 5 questions (2 marks each) 3. Section C: 6 questions (3 marks each) 4. Section D: 4 questions ...

IB Geography class on facebook (opens in a new window) IB Geography class on linkedin (opens in a new window) ...