Answer:
171. B
172. C
173. A
174. D
175. C
176. D
177. C
178. A
179. D
180. C
181. A
182. B
183. C
184. B
185. D
186. B but im not sure
187. A
188. B
189. A
190. B
191. C
192. C
193. B
194. D
195. A
196. A
197. A
198. C
199. B
200. C
201. A
202. C
203. A
204. B
205. B
206 D
207. D
208. D
209. C
210. A
B
Explanation:
Text to self
b. for nutrition and energy
Birds use seeds as a source of food, and food provides nutrition and energy to the body. So, the correct answer must be b.