How long would a complete day (both day and night) on earth be if it did not spin on its axis?

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

In each transformation of energy , some energy what?

What is the key to the recognition of codominance?