Charles Darwin observed the variations.
Answer:
The water cycle is driven primarily by the energy from the sun. So basically the answer is D. the sun
Please correct me if I am wrong
Explanation:
Answer:
Primary succession occurs in essentially lifeless areas
<span>People infected with STIS often don't seek for the adequate medical attention that they need for two reasons: Firstly, for an innate sense of shame, secondly because they don't recognize the symptoms and warning signs of the infection, and if they recognize them, they tend to dismiss said symptoms.</span>