You are given a science question (easy-level) and four answer options (associated with "A", "B", "C", "D"). Your task is to find the correct answer based on scientific facts, knowledge, and reasoning. Do not generate anything else apart from one of the following characters: 'A', 'B, 'C', 'D'. There is only one correct answer for each question.

Which are examples of inherited traits?  
 (A) specific beliefs (B) fingerprints (C) memories (D) nose shape
D

Skunks spray a strong-smelling liquid to ___.  
 (A) get rid of wastes (B) attract prey (C) defend themselves (D) help nearby plants grow
C

Which two traits would best distinguish a bird from other vertebrates?     
 (A) fur and wings (B) gills and feet (C) feathers and wings (D) moist skin and feet

C