More recently, hybrid car-makers have had programs to take back and safely dispose of used or damaged high-voltage battery packs for 15 years. Those nickel-metal-hydride cells contain precious metals with a known recycling value.
The term secular stagnation was originally coined by Alvin Hansen in 1938 to describe what he feared was the fate of the American economy following the Great Depression of the early 1930s: a check to economic progress as investment opportunities were stunted by the closing of the frontier and the collapse of immigration.
Alternation of generations is the term used to describe how spores  reproduce. This means, the spore is able to become a new plant or  organism from itself as a form of asex â¦ ual reproduction. The spore  comes from the original plant or organism to become a new life  form.dvantages-Spores are covered by a hard protective coat which enables them to survive under unfavourable conditions like lack of water and extreme temperatures.