Explain why an ecological pyramid is smaller at the top than at the bottom.

Which biochemical cycle is relied upon for plant photosynthesis

What would have happened to portugal’s trade if they had not found a way to sail around the tip of africa

When the soviets created the borders of their central asian and caucus republics, the paid little attention to where each region’s ethic group lived. ethnic-related disputes exist along every sherd boundary in central asia. true false