Sea floor spreading adds more crust to the ocean floor and at the same time older strips of rock move outward from either side of the ridge.
Answer:
Though there is no lake or river flowing through Sam's region,
Explanation:
Environmental quality refers to the features and the properties which are ideal for a good environment. The characteristics may be either in a generalized tone or in the local aspect. These characteristics help in maintaining the life of living organisms. The quality of air, water, and sound can be stated under the features of environmental quality.
In the given passage, the quality of air in Sam's region meets good environmental quality. On the other hand, the region does not have any lake or river. Since any water body is absent, therefore, the given sentence depicts the poor environmental quality.
<span>The vertical sequence of the layers of soil is called a soil C. PROFILE.</span>
