The answer is B-divergent boundary
The nucleus is the cell's control center
Actually there are many reasons for it ...but I cannot type that much.sorry.
D. As time progressed and different fossils from different time periods become fossilized, they show how their species evolved and changed over time.
Explanation:
produces fumes of pleasant smells.
the forebrain has regions that receive impulses from various receptor organs. so, when agarbatti reaches our nose, the receptors send electrical or chemical impulse via neurons to the forebrain.