The cross section below shows sedimentary rock layers containing fossils.
Assuming that these rock layers have not been overturned, which fossil is in the layer that was formed
most recently?

Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?

Which statement names the physical property of wood a. wood is softer than coal b. wood does not rust c. wood can rot d. wood can burn

When a device is used in a circuit in which the voltage is 81 v the current flowing through the device is 3 a what is the resistance of the device