What is the edge of a tectonic plate called?

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.

In the diagram below, ab and bc are tangent to o. what is the measure of

Irelanda. populationb. square mileagec. average population density per square mile