What is the order from north to south in which the major ecosystems of russia stretch across the nation?

What is the result of the greenhouse effect? a. heat is deflected from the atmosphere. b. heat is released from the atmosphere. c. heat is kept in the atmosphere. d. plants are able to grow in the tropics where the air is the heaviest.

What is the name of the ocean current that affects the british isles? how does it influence their climate?

The earth is composed of three different chemical layers: core, mantle and crust. the formation of these layers was from a process called