The answer is B) organisms adapt to climatic changes
Two examples would be: great depression and world war 2
<em>I think the answer is D. They're linked to age-old efforts to use cut flowers and decorative plants in creative and expressive ways. I'm taking this exam right now.</em>
I think it would have to be 2 months, reason being I have depression and they told me to be classified as major, I'd have to have the side effects for at least 2 Months. Hope this Helps.