Answer:
Scientists use creativity to determine which smaller questions are likely to yield results, imagine possible answers to their questions, and devise ways to test those answers.
Explanation:
<span>The question says,'name the classification of matter used in the 1800. In the 1800s, matters were divided into two distinct classes which are organic and inorganic matter. Organic matters are those that have life, that is, living things while inorganic matters are those matters that were of geological origin, for examples:air, rocks, minerals, etc.</span>
Answer:
B: a population’s age-sex structure
Explanation:
A population pyramid is a way to visualize two variables: age and sex.
They are used by demographers, who study populations. A population pyramid is a graph that shows the distribution of ages across a population divided down the center between male and female members of the population. Expansive pyramids mean that the population does not increase much in total number and has many young people.
Hope this helps! Info from National Geographic, I would trust it if I were you!
