Задать общий и спец. вопрос к предложениям:
This is a picture of a tropical rain forest .
The weather in the tropics is very hot and wet.
They are disappearing,

1) Is this a picture of a tropical rain forest? What kind of picture is it? 2) Is the weather in the tropics very hot and wet? What kind of weather is in the tropics? 3) Are they disapearing? why are they disapearing?