Answer:
C) Weathering and erosion
Explanation:
The completed sentence will be as follows -
The deserts and dunes seen here are created through the process of Weathering and Erosion.
Weathering is defined as the process of breakdown of rocks, soil and minerals into small particles under the influence of atmosphere, water and also biological organisms to some extent. The products of weathering are found at same place as the original rock with little or no movement.
In erosion, the materials such as rocks and soil or dissolved materials are transported from one place to the another place by the action of wind or water flow. So, here displacement of substances takes place.
Answer:Plz mark Brainliest
Explanation:
The correct answer is the first one.
Bottlenecks and founder effects. Genetic drift can cause big losses of genetic variation for small populations. Population bottlenecks occur when a populations size is reduced for at least one generation... reduced genetic variation from the original population