(w) is dominant to a straight hairline (w), and unattached earlobes (e) is dominant to attached earlobes (e). two parents, each with a widow's peak and unattached earlobes, have kids. they both have the genotype wwee.

igneous rocks which formed by the crystallization of magma at the surface of the earth called extrusive rocks. they are characterized by fine-grained textures because the rapid cooling at or near the surface did not provide enough time for large crystals to grow.

the answer would be   10%

the answer is true when observing or determining population size, a direct observation is use, in which each organism is counted in a population or in an area. one benefit of this measure is that you get the exact population count but it will take a long time to  determine  the  size  of a  population.