Scientists divide time into four main sections. two sections are the precambrian and the paleozoic. what are the other two sections?

a.
triassic and cenozoic

b.
pennsylvanian and mesozoic

c.
ice age and precambrian

d.
cenozoic and mesozoic

At a temperature of 393 k, the temperature of a sample of nitrogen is 1.07 atm what will the pressure be at a temperature of 478 k

4. absorption has the highest risk of overdose due to increased potency. a. rectal b. oral c. transdermal d. intranasal

Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.