Identify each example as a type of weathering, erosion, or deposition. a) Rocks scrape against other rocks to make them smoother
b) Oxygen corrodes iron in rocks to cause rusting
c) Wind blows sand across the desert
d) Ocean currents drop sediments along a beach
e) Water enters a crack and freezes, so the ice expands and makes the crack bigger
f) Carbon dioxide and water form a weak acid which reacts with certain minerals

Lee is creating a garden with the dimensions shown. he creates paths through the garden along , , and . which correctly compares the lengths of the paths? the path along is longer than the path along , and the path along is longer than the path along . the path along is longer than the path along , and the path along is longer than the path along . the path along is longer than the path along , and the path along is longer than the path along . the path along is longer than the path along , and the path along is longer than the path along .

Does water only take one path through the water cycle? (15 points)

Which of the following best describes the purpose of a nation’s boundaries? a. to limit the movement of goods and people b. to make it easier for cartographers to create maps c. to make the movement of goods and people easier d. to prevent other countries from invading territory