Would you pls answer these questions?
What does concave upward mean, in the context of a stream channel?
QUESTION 2 What is the discharge (Q) of a stream?A The amount of water that sinks into the ground underneath a stream -A The volume water water, measured by multiplying stream area times stream velocity.A The velocity of a stream.A The volume of water the is supplied to a perennial stream by baseflow, measured over a period of time. QUESTION 3 What part ofa stream system typically supplies the load that a stream carries?-A the lowest portions of a stream system where the stream enters a lake or ocean A the middle of a stream systemA All of the other answers are correct, and thus this is the best answer. A in the headwaters (mountains) of a stream system