Which two landforms are caused by convergent plate boundaries? a. a ridge and a rift valley b. a trench and a mid-ocean ridge c. a rift and an ocean trench d. an ocean trench and a mountain range

Alow pressure system is formed when an air mass cools over a cool surface and sinks. true or false

Triangle with the the sides 72 and 75 and x. also other trsingle withsides 24 25 and 7. what is the value of x.

You have been tasked with sorting the rock samples shown into three categories, with two rocks in each category. what attribute would you use to sort these rocks? which rocks would be in each category? rocks: obsidian, coquina limestone, granite, soapstone,pumice, and gneiss.