The connection made between these ideas in these sentences is a cause-and-effect relationship. It is stated that "large waves cause erosion of shorelines," and then it is suggested that "Seawalls constructed of concrete can protect shorelines from this erosion."
The type of connection made between these ideas in these sentences is cause and effect. Specifically, it suggests that large waves cause erosion of shorelines, and as a result, seawalls constructed of concrete can protect shorelines from this erosion.
The type of connection made between these ideas in these sentences is a cause-and-effect relationship. The first sentence states that large waves cause erosion of shorelines, implying that erosion is the result or effect of the action of large waves. The second sentence introduces the solution to this problem, stating that seawalls constructed of concrete can protect shorelines from erosion. This implies that the construction of seawalls is the cause or action taken to prevent the effect of erosion caused by large waves.
