Answer:
When there is increased sun spot activity, the amount of solar radiation incident on Earth is increased and average Earth temperature is higher
<em>Hope</em><em> this</em><em> answer</em><em> correct</em><em> </em><em>:</em><em>)</em>
I think the correct answer from the choices listed above is option C. Shrubs and isolated trees are characteristics of savannas but not of grasslands. This is because in grasslands plants are abundant and are present everywhere. Hope this answers the question.
C. Warm, moist air rises and loses its moisture.