Which statement best describes beaches? Beaches change over time as waves move further up the shore. Beaches are always changing due to factors such as waves adding and eroding sand. Beaches change little over time as wind patterns stay the same. Beaches change little over time as waves follow the same patterns year after year.

I think the 1st statement is right.

Explanation:

Wind patterns doesn't stay the same.

Waves don't follow the same patterns.

Waves move further up the shore.

I didn't hear about "waves adding" before..so i guess 1st statement is right.

For k12 its:

Explanation:

Beaches are always changing due to factors such as waves adding and eroding sand.

waves moving from a fast medium to a slow medium will experience a reflection as light travels more slowly than red light. total internal reflection occurs when the critical angle is.