Which of the following statements is NOT true about the stratosphere? A.
The stratosphere contains a layer of ozone.

B.
The stratosphere absorbs ultraviolet radiation which protects life on Earth.

C.
Commercial jet aircraft avoid the stratosphere due to the high turbulence there.

D.
The stratosphere is above the troposphere and below the mesosphere.

Which of these statements best describes the st. lawrence seaway? the st. lawrence seaway connects the st. lawrence river with the arctic ocean. the st. lawrence seaway provides an important trading route between the u.s. and mexico. the st. lawrence seaway provides an important trading route for the u.s, but has little value for canada. the st. lawrence seaway connects the great lakes, the st. lawrence river, and the atlantic ocean.

Which plains area lies in both the united states and canada? altiplano central canadian shield coastal plains great plains

Archaebacteria use for movement. celia flagella pili cell walls