Geologists use radioactive dating for which of the following?

(a). identifying the relative ages of rock layers.

(b). determining the absolute ages of rocks.

(c). telling how radioactive substances is

(d). collecting evidence of fossils.

You are working in the lab and are working with the same element but with varying isotopes of the element. you are working with c-11, c-13, c-14, and c-15. what is the average atomic mass of this element? (use periodic table) a- 12 b-15 c-14 d-13

Do the following statements describe actin, myosin, both of the proteins or neither of the proteins? (a) contains a binding site for calcium (b) found in the i band (c) exists in a globular (g) form and a filamentous (f) form (d) contains a binding site for atp (e) is a component of the thin filament (f) is a component of the thick filament

What process creates gametes? a.fertilization b.mitosis c.meiosis