The Geological Era ''Mesozoic'' is known as the age of reptiles, dinosaurs and other huge reptiles roamed earth in this era. I hope this helps.
Cells can be very different in size, shape, and the types of organelles they have. However, at some point all cells have DNA and a cell membrane
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Instead, let's start applying what we learned so far by looking at the most common groups of molecules in food: carbohydrates, proteins and fats. These molecules are also called 'macronutrients' and are essential for us from a nutritional point of view.
Micro-organisms can spread to person to person
