The diagram below shows a model of the movement of two tectonic plates. When the plates collide, one plate often moves below the other plate.
The rising magma that can result from this type of plate movement may produce -
F fossil layers
G volcanic islands
H deep-sea sediment
J seafloor spreading

Which statement is best described as a atom

At a certain temperature the rate of this reaction is first order in hi with a rate constant of : 0.0632s2hig=h2g+i2g suppose a vessel contains hi at a concentration of 1.28m . calculate how long it takes for the concentration of hi to decrease to 17.0% of its initial value. you may assume no other reaction is important. round your answer to 2 significant digits.

Which best describes eras and periods?