I don’t really know but I’m trynna to answer anything so I can ask my questions
Answer:
3rd option: AX + BY ⇒ AY + BX
Explanation:
The 2nd option is a single displacement reaction where one bound atom is displaced.
Logically, it would follow that a double displacemnt would be one where two bound atoms, i.e. X and Y, are displaced.
Answer:
rising up- gravity forces decrease
falling down- gravity forces increase
uh im not sure about the last one, sorry
Explanation:
B. Most species that have lived on earth are now extinct. Ap3x