Is it time for the students of the u. s to take a lesson from the yellow vests and demand a change?

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

What greek scientist created a screw to move water for irrigation?

Why is it necessary to obey social norms? write briefly.