What do physical maps show? check all that apply.
vegetation
rivers
mountains
deserts
settlements

The physical maps shows "Rivers, Mountains and Deserts".

Option B, C & D

Explanation:

The physical map is taken for understanding the boundaries between entities and the entire globe comprised of continents structured with countries and states by naming them; mountains and peaks with brown and white color (Himalayas); water bodies like ocean, sea, rivers, lake etc from blue color; deserts from yellow color; Forest, wildlife sanctuaries, parks, mangroves etc from green color; etc.

The physical map either in paper as one/two dimensional format or in globe as three dimensional format are helpful to understand and observe many other deep parameters of any country or place like social prospects: political influence, religion, indigenous people, languages etc.