Answer:
Scientists examine evidence from DNA, protein structure, fossils, early development and body structure.
The federal principle of government.
And federal means pertaining to or of the nature of a union of states under a central government distinct from the individual government of the separate states
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Below are the choices that can be found from other sources;
sociocultural
economic
physical
<span>legal and regulatory
</span>
<span>Sociocultural challenges include differences in religion, attitude, personal communication, manners and customs</span>
They acquired the Panama Canal Zone
Answer: Utilitarian function of attitudes
Explanation: Utilitarian function of attitudes is the type of attitude shown by the people in such a way to connect with other to obtain the rewards and neglect the non-rewarding situation or sometimes both. The positive and cheering attitude. A person persisting positive attitude towards a desired situation or party can uplift the situation's efficiency and negative attitude towards the opposing party .
