Final answer:
An inventive child can use a ladder, a long stick, or a trampoline to reach the apple in a tree.
Step-by-step explanation:
An inventive child can use a ladder, a long stick, or a trampoline to reach the apple in a tree. The child could use a ladder to climb up to the height of the apple. A long stick can be used to hook onto the apple and bring it closer. Alternatively, a trampoline can be used to jump high enough to reach the apple branch.