Answer:
A
Explanation:
The physical environment has a massive effect on human activities. Throughout history the impact of the effect of the physical environment has changed, but the influence has always been there. Some ways in which the physical environment affect humans are:
- weather and climate
- natural disasters (volcanic eruptions, earthquakes, tsunamis)
- terrain
Human activities also have a significant impact on the physical environment. Some examples of ways that humans affect the physical environment are:
- deforestation
- extraction of resources
- anthropogenic climate change
- modification of topography
- contamination of the seas
Explanation: The standard unit of velocity is metre per second. Velocity can be defined as the displacement of a body per unit time.
Secondary source as it is not direct :)
