What microscope would be appropriate for looking at the shed exoskeleton of a tarantula?
O Transmission electron microscope
O Light microscope
O Scanning electron microscope
O Dissecting microscope

The table shows dates and appearance of index fossils. which rock layers can be dated most precisely? a) a layer containing both a fossil 4 and a fossil 3 b) a layer containing both a fossil 2 and a fossil 3 c) a layer containing both a fossil 1 and a fossil 4 d) a layer containing both a fossil 1 and a fossil 2