An ephemeral stream:

Fluvial landscapes that are early in their evolutionary progression have:

For the inequality \(3x +  9y \leq 15\), its solution set is below its boundary line.

For each of the remaining three questions, you must show ALL of your work to get full credit. Clearly organize your written work on these! Also, draw a box around your final answer.   #25 (Workout – 6 points) Suppose we have the following linear programming problem:

Global warming is causing most glaciers to ____.​

Leaf shapes of fossilized plants can be used to indicate climate conditions.​

Yellowstone National Park had a subtropical climate in the Eocene. ​

Oil shale is a rock that contains clay particles, carbonate minerals, and kerogen.

As lava cools and contracts, geometric columnar joints may form.​

Mountain valleys that are U-shaped are most likely the result of erosion by a valley glacier. ​