Answer:
B). Every family should buy local produce because it is more nutritious, it requires less packaging, and it promotes energy conservation.
Step-by-step explanation:
As per the given presentation, option B clearly displays a strong claim which the teacher wishes to convey to his/her students. The teacher aims to profess it successfully that 'every family should buy local produce as it is more nutritious which promotes a better health and along with that it requires lesser packaging which assists in encouraging an earth/environment friendly and energy conservation approach'. This claim or intention of the teacher is clearly reflected by the phrases like 'Let’s make our families earth-friendly', 'respects the environment', 'earth-friendly effort that every family should make', etc. Therefore, option B best expresses a potent claim of the given presentation.