Match
to a hot spot
a transform boundary
a crater
deep subduction areas
(apex)

Two friends at different locations want to communicate with each other by sending low energy signals. which of the following methods can they use to communicate? a) produce x-rays using colliding electrons and send them to radios, which capture sound b) send messages using infrared radiation, which travel in the form of waves c) send radio waves through intervening media like radio and television d) produce sound waves using microwaves from heated objects

Which of the following units is not an official si unit? mole liter kilogram ampere

Displacement is the slope of a velocity vs. time graph a. true b. false