What is the greatest concern regarding the social security system

Two grizzly bears are fighting over a fish to feed themselves. what kind of interaction is this scenario, which works as a limiting factor in the bears' survival? a. apparent competitionb. interference competitionc. exploitation competitiond. mutualism

Gettysburg address question what do you notice about the length of this address? why do you think lincoln made it so short?

How did the rise to power and reign of alexander most affect greece