In the early stages of the Earth's development, it was covered in many of the same elements it has now. Water, nitrogen, oxygen, and minerals like carbon, nickle, iron and sulfur. The Earth was without life. Organic life requires much more complicated compounds which don't seem to form on their own. Biologists have struggled with... Continue Reading →
Secondhand smoke isn’t always bad for you
In elementary school, you were probably taught that photosynthesis is the basis of maintaining life on Earth. The sun shines on green plants. Those plants suck up the sun and carbon dioxide from the atmosphere and grow, "exhaling" oxygen. Animal life then eats those plants and inhales that oxygen for its own survival. Some of... Continue Reading →
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