Slide 1The Sun Slide 2 How Old Is Our Sun? Stars like the Sun shine for nine to ten billion years The Sun is about 4.5 billion years old, judging by the age of moon rocks…

Slide 1 Slide 2 The environment Smoke Toxic waste landfill Oil spill humo Residuos tóxicos vertedero Fuga de petróleo Slide 3 Litter Exhaust fumes basura Gases de escape…

Slide 1 Chapter 3: Global Warming What is global warming? Is there really cause for alarm? Can anything be done about it? How can we assess the information from the popular…

Slide 1 Our Atmosphere The Greenhouse Effect Slide 2 The Sun The Sun provides the Earth with continuous heat and light Slide 3 The Atmosphere A layer of air which surrounds…

Slide 1 The Science of Climate Change J.C. Moore PhD Retired Physical Chemist JCMooreonline.com Slide 2 Slide 3 Earth’s Energy Balance Slide 4 CO2 and Climate Arrhenius…

Slide 1 Understanding Paragraphs  What is a paragraph? What is a paragraph?  What is a topic?  What is a main idea? Slide 2 What is a paragraph? A paragraph is a…