How are birds adapted for flight? A. Their body shape; B. Smooth waxy feathers; C. Hollow bones; D. Beaks

Hollow bones is the correct answer.

Explanation:

As hollow bones makes the density of bird less than air that's why birds can fly easily

not sure if this what   you'r looking for would be percent composition

ans.

gregor john mendel is known for study of inheritance in pea plants. he used garden pea plant for his study, having alternative traits for various characters. he performed cross-breeding in pea plants to check how characters are transmitted between parents to offspring, such as cross between pure tall and pure dwarf plant. mendel studied the inheritance patterns in pea plants for various generations.

thus, the correct answer includes options and f).