D. Hat, a direct object is an object/ thing that is being used in a sentence a certain way. " I left my keys in the house" Keys is the direct object
Answer:
لا شيء أفهمه بهذه اللغة لول
Here is the answer to the given question above. The stream valley form and how deep it will be downcut is that, <span>new stream is v-shaped downcut until it reaches sea level. V-shaped valleys is one of the most common form. A valley is a result of downcutting. Hope this is the answer that you are looking for. </span>