dew {Ans: deposits of moisture on the ground and vegetation due to condensation caused by radiative cooling, most often at night}anthropogenic {Ans: Human-induced changes on the natural environment}afforestation {Ans: Planting seeds or trees to make a forest on land that has not been a forest recently, or which has never been a forest.}photoperiod {Ans: length of day, i.e. from sunrise to sunset}biological weathering {Ans: the breakdown of rocks through the chemical and physical action of living organisms, e.g. burrowing, tree roots}ocean water store {Ans: the total water stored in the oceans}diurnal change {Ans: daily cycle of change}sedimentary rock {Ans: A type of rock that forms when particles from other rocks or the remains of plants and animals are pressed and cemented together}duration {Ans: the length of time something lasts}net primary productivity {Ans: the rate at which plants accumulate energy in the form of organic matter taking into account the energy used in respiration (kg/m²/year)}phytoplankton {Ans: tiny photosynthesising marine organisms in the surface waters of the oceans}syncline {Ans: a downfolded, basin-like geological structure}groundwater {Ans: water stored underground in permeable and porous rocks known as aquifers}flux {Ans: the