English your way. Unit 2.

 1. Complete the sentences:

a) The ______________  is the ______________ layer around the Earth. Whitout this layer, ________ would not be ____________ on the planet.

b) The _____________ is divided into a series of layers. The main layers are: _______________, ______________, ______________, ________________, ____________________.

2. Underline correct answer:

a) In which layer do living thing survive?

troposphere     stratosphere     mesosphere     thermosphere     exosphere

b) In which layer do artificial satellites orbit?

                              troposphere     stratosphere     mesosphere     thermosphere     exosphere

c) In which layer do we find the ozone layer?

                             troposphere     stratosphere     mesosphere     thermosphere     exosphere

d) In which layer does the main weather occur?

                            troposphere     stratosphere     mesosphere     thermosphere     exosphere