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0:03:02

Ecuador testimonials Spring 2023

0:00:51

Welcome 2022

0:09:05

Back to school - 2021 - Earth

0:09:29

Back to school night 2021 APES

0:00:55

welcome video 2021

0:01:37

CHS Eco Action (2018)

0:03:29

Learning about surface features

0:00:35

How to use video

0:07:31

Nitrogen cycle simplified

0:14:19

The Three Rs

0:00:32

creek 2

0:00:31

creek 1

0:08:15

How to read the text

0:04:05

APES a virtual tour

0:05:47

Landfills

0:05:25

Tour of CANVAS

0:04:08

Creating two windows

0:17:23

Intro to Air pollution fall 2020

0:02:03

Using Google Earth

0:22:29

Energy sources and efficiency

0:05:19

Problems with overusing groundwater

0:06:18

Surface and subsurface water diagram

0:05:21

3 more kinds of evolution

0:08:00

Evolution by random processes