1. SOURCES OF ENERGYA Physics PBL 2. It is clearly stated, global oil supply can’t meet global oil demand forever.• It is estimated that all oilreserves of the earth…

Slide 1PHOTOSYNTHESIS Slide 2 Photosynthesis process by which green plants & some organisms –s–seaweed, algae & certain bacteria use light energy to convert CO…

Slide 1 Sedimentary Rocks, Fossils and Fossil Fuels Slide 2 What do we know about… Igneous RocksMetamorphic Rocks Slide 3 The Rock Cycle O Igneous Rocks = rocks that have…

Slide 1 1 TUMS Azin Nowrouzi, PhD Slide 2 2 –There are 92 naturally occurring elements on earth but only eight elements make over 98% of the minerals on the Earth's…

Slide 1 Vitamins and microelements as components of human diet. Slide 2 What are vitamins ? Nutrients that our body does not make on its own. Thus we must obtain them from…

Slide 1 Minerals Slide 2 minerals are elements of the periodic table more than 25 have been isolated 21 elements have been shown to be essential (excluding C,H, and O) minerals…

Slide 1 PHOTOSYNTHESIS Slide 2 Photosynthesis process by which green plants & some organisms –s–seaweed, algae & certain bacteria use light energy to convert…