Based on Henry’s observations, is the sandcastle an element, compound, heterogenous mixture, or a homogeneous mixture?

What are some characteristics of a free enterprise economy?

Which best describes this behavior? it is beneficial only to the males that do not fertilize eggs. it is beneficial only to the female workers that are not fertilized. it is beneficial to each one of the individual colony members. it is beneficial to the whole species, but not to all of the individual members.

Which statement explains how gravity and intertia work together