A model of the Eiffel Tower is made to the scale 1 : 375. Fill the gaps in the sentences by dragging in the correct numbers. 1111 30 000 1109 1112 1110 3000 300 000 (a) If the model is 80 cm tall, then the actual tower is cm tall.

Land is to arable ; river is a, navigable b, shallow c, presumsor d, water

Afish fossil is found in a rock. a foot bone and tooth are found in an older layer of the same rock. what can scientists learn from the rock? a) the area changed from land to water. b) the area changed from water to land. c) the area has always been land. d) the area was once an ocean.

The smokey mountains have over 2,100 miles of rushing mountain streams and rivers that flow through the park. in each mile lives a diverse community of native fish, amphibians, insects, and larvae, some of which are found only in the southern appalachians. park managers and scientific researchers test many factors such as fish populations, the watersheds and water tests to determine a) too many lizards are present b) the water quality of the stream c) rainwater is running into local streams d) if visitors to the park are overstaying their welcome