Potential energy because when your body breaks down the molecules the energy is released that it can use to do work, like walk or think.
Dependent reaction is the factor that is observed and measured
the importance of water is that it will make you survive and it will make you feel fresh
trace elements are sometimes referred to as micronutrients
Well, the ten biomes are:
Tropical Rainforests, Sub-tropical rainforests, savanna, tundra, arctic, boreal forests, conniferous forests, mediterrean, grassland, and desert