Natural Dye Water Polution Mapping Experiment Lena Chen Group 1: tab water from home Group 2: bottled water from Poland Spring Group 3: Central Park… Posted on: November 18, 2018 By: Lena With: 0 Comments
Reflection on the United Nations Seminar Reflection on the United Nations Seminar Lena Chen Sustainable Systems 11/03/2018 The visit to the United Nations was more educational… Posted on: November 2, 2018 By: Lena With: 0 Comments