Answer:
The answer is D.
Explanation:
This is because mass always remains constant and weight is dependent on a gravitational pull.
<span>The most common method in removing debris and living
organisms is through a series of sedimentation and heat application. The role
of sedimentation is to use gravity in separating drinkable water and visible
debris. While treating water with heat kills the living organisms.</span>
Answer:
The hot coffee has a higher temperature, but not a greater internal energy. Although the iceberg has less internal energy per mass, its enormously greater mass gives it a greater total energy than that in the small cup of coffee.
Explanation:
River shore is located at distance
speed of the woman is given as
now the time taken by the woman to cover the distance is
for the same time interval the dog will run to and fro with speed 4.5 m/s
so the total distance moved by the dog is given by
<em>so the total distance that dog will move is 7200 m or 7.2 km</em>
<h3><u>Answer;</u></h3>
Migration
<h3><u>Explanation; </u></h3>
- Migration is the movement of animals from one place to another. Migration is an innate behavior that is triggered by changes in the environment.
- For example, animals may migrate when the days get shorter in the fall. Migration is most common in birds, fish, and insects.
- The regular movement of animals takes place at certain period each year, for the purposes of finding food, mates, or other resources.