Plants treated with herbicides do not grow and develop. which cellular process is affected?

Lucia is walking barefoot in her yard. she accidentally steps on a nail. how will her nervous system work to generate a reaction? arrange the eventschronologically.

20 the compound al(nh3)2 has atoms of nitrogen.

Which coal field location is related to coal fields in the eastern united states and supports the theory of continental drift? eastern india southern africa western australia northern south america