What kind of land feature is shown at point C on the topographic map? A. A step slope
B. A lake
C. A mountaintop
D. A gentle slope

The health, management and conservation of biodiversity, is a challenge facing ecosystems worldwide. the major factors that affect the health and function of the great barrier reef are climate change and pollution. which question investigates the effects of a biotic factor on the reef ecosystem?

What did the first language sound like

What statements describe a host organism?