Multiple choice Which of the following is correct about river terraces? River terraces are surfaces marking old valley floor or floodplain levels. River terraces may be bedrock surfaces without any alluvial cover. River terraces may also be alluvial terraces consisting of stream deposits. All of the above Only option 1 and 3 Reveal answer Fill a bubble to check yourself D Correct answer Explanation This is the correct answer, as all these statements are correct about river terraces.