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Why is Chlorophyll Green

Chlorophyll is a green pigment that is found in almost all trees, plants, algae and cyanobacteria (bacteria that can undergo photosynthesis). The word chlorophyll comes from two Greek words that mean ‘green’ and ‘leaf’. But why is chlorophyll green? Or, put another way, what makes chlorophyll green? This post will tell you the answer!

Why is Physical Education Important

Physical Education (often called PE or gym class at school) is a course taken throughout a person’s schooling years. But why is physical education important? This post will answer that question!

Why is Urine Yellow

Urine is a liquid excreted by humans and animals. But why is urine yellow? This post will answer that question and then tell you a few interesting facts about urine.