Which of the following elements is capable of storing and delivering a great deal of energy produced using ocean energy technologies? sodium

fluorine

hydrogen

carbon

For the first blank it would be a decline in the  lynx's population, because when there is a rise in a population it means there are going to be more of that species, stagnancy is when there is a stagnant smelling pond, bad smelling. for the second blank direct competition for the survival/food, because thats an animals nature, to survive at all costs, while Intraspecific means produced/producing, occurring, or existing within a species or between individuals of a single species of animal, while Apparent means clearly visable/obvious.