Water makes up 90% of the body.
could use less heat and air conditioning, lighting, electronics in our homes. Drive gasoline cars less often, and walk more. stop buying new clothes as much, and recycling used. use renewable energy sources like wind and solar power.
<span>Continental plates pushing towards each other cause mountains to form on our planet Earth, true. </span>
I would say that the fishes exhibited the greatest diversity (though the brachiopods also had considerable diversity) and mostly were of the ostracoderms (with a platey or shell-like skin and no jawbone) which exhibited many varieties and also the placoderm which had gills, a jawbone and fins so was developing characteristics of modern fish.
Amino acid reactions. Amino acids via their various chemical functionalities can undergo numerous chemical reactions.
