RUESLIUI II PUNTIL)
According to the principle of faunal succession, what must be true of the fossils on a
layer below?
O younger than the fossils above
older than the fossils in the layer above
the same age as the fossils in the layers above
identical to the fossils in the layers above

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

What is the temperature of one mole of helium gas at stp?

The variability in marine salinity between habitats does not impact the fish living there. select the best answer from the choices provided t f