Running - well, sprinting - uphill is a good way to add explosive strength and as interval (anaerobic) training.
hills change shape and form from erosion
Practice.
What is formed in the shape of a long, low land area between hills or mountains
What is formed in the shape of a long, low land area between hills or mountains
What is formed in the shape of a long, low land area between hills or mountains
What is formed in the shape of a long, low land area between hills or mountains
Depends.
She had worked tirelessly to help shape the details of the party's reform agenda. He was running as a reform candidate.
Mountains, rivers, and hills
Low hills, with steep sea cliffs.
Mountains, rivers, and hills
Mountains, rivers, and hills