The answer is "Tolerance only for cold climates". Hope it helped!
A ecosystem productivity is a rate of generation of biomass.’’I know this because it states.”In economy productivity refers to the rate of generation of biomass in an economy.This shows that the economy its usually expressed in units of mass per unit.
News stories are basically divided into two types: hard news and soft news. Hard new generally refers to up-to-the-minute news and events that are reported immediately, while soft news is background information or human-interest stories. ... One difference between hard and soft news is the tone of presentation.Oct 13, 2011