Are long- or short-term changes in population patterns or characteristics. a. demographics b. population trends c. population factors d. population characteristics

B. Population trends

Explanation:

A Population trend refers to the changes that the population undergoes over time, geography, environment and other factors that are able to modify the specific characteristics of that population. For this reason, the term "Population trend" is most appropriate for answering your question.

whose power in the senate is equal to the power of the speaker of the house?

both include an amendment process.