Energy that is not passed on from one trophic level to the next is _

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

Identify the various levels of atmosphere. troposphere mesosphere exosphere stratosphere thermosphere

With the word calcite wich completes the analogy mineral, erosion, marble, or aragonite