How do scientists improve their understanding of the natural world?

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

Which european country lost control of lebanon and syria-their middle east mandates-in the 1940s? a) britain b) france c) germany d) italy

Why did lincoln inform the confederacy that he would not e sending troops or weapons as food supplies were sent to fort sumter?