Explain why 2,2,5,5-tetramethylhex-3-yne can't be made using acetylide anions. a. It would form the substitution product.
b. The 1 degree alkyl halide is too crowded for nucleophilic substitution.
c. It has a terminal alkyne. It has an internal alkyne.
d. The 2 degree alkyl halide is too crowded for nucleophilic substitution.
e. The 3 degree alkyl halide is too crowded for nucleophilic substitution.

acid rain does not usually kill trees directly. instead, it is more likely to weaken the trees by damaging their leaves, limiting the nutrients available to them, or poisoning them with toxic substances slowly released from the soil. the main atmospheric pollutants that affect trees are nitrates and sulphates.

2b2t

explanation:

2b2t

hurricanes form when warm, moist air from the ocean surface quickly rises into the atmosphere and forms storm clouds and rain. when the clouds are formed, heat is released which warms the cool air in the upper regions of the atmosphere so that the cycle can continue. which two phases of the water cycle are repeated in this process?