Why did the u. s. and allied forces invade afghanistan after 9/11?
a. they knew the taliban was responsible for the attacks.
b. they knew the ba'ath party was responsible for the attacks.
c. they knew that afghanistan was harboring osama bin laden and other members of al-qaeda.
d. they knew that afghanistan was building a nuclear arsenal and planning to use dirty bombs on the u. s.

Balance and in which category does it fit in? single or double displacement or synthesis or decomposition? (a) k2 o → k + o2 (b) na + i2 → nai (c) cu(no3 )2 + naoh → cu(oh)2 + nano3 (d) kclo3 → kcl + o2 (e) ca(no3 )2 + hbr → cabr2 + hno3 (f) sn(oh)2 → sno + h2 o (g) p4 + n2 o → p4 o6 + n2 (h) fe + al2 (so4 )3 → feso4 + al (i) alcl3 + na2 co3 → al2 (co3 )3 + nacl (j) c3 h6 + o2 → co2 + h2 o