Radar because the waves are reflected back off of the source so with the reflection it's hard for them to see earth surface.
Savanna grassland conguers most regions in Sub-saharan africa. The grassland Biome is found in the central part of the country, inland areas, and Kwazulu natal and its topography is mainly lowland and flat.
Answer:
Canyon
Explanation:
5. A Canyon is a mostly dry riverbed that usually has steep box-like sides.
Answer:
d. earths rotation on its axis