Based on the Chesapeake Bay Waterbird food web. Which of the following is an omnivore?

Name the type of chemical that speeds up digestion

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

Awave has a wavelength of 15 mm and a frequency of 6 hertz. what is its speed?