40 30
50 60
10
1. Round the following numbers off to the nearest hundred using the num
+
1260 1270
1200
1230 1240 1250
1210
b. 1 230 -
a 1280 -
1260
1240 1250
1270 1280
c. 1240 =
1260 1270 1280
1220
1240 1250
1230
1200 1210
d. 1250 =​

How does rain water cause erosion and deposition? a. when acidic water soaks into the ground, water dissolves limestone, resulting in the formation of caves.b. when a river overflows it moves downhill resulting in the formation of caves.c. when it rains, water flows into rivers and streams and moves back to land, resulting in the formation of caves.d. when water empties into lakes, sediment is deposited, resulting in formation of caves.