Answer:
<em>a. Cross-sectional study</em>
Explanation:
A cross-sectional analysis <em>includes at one particular point in time looking at data from a population.</em> Participants are chosen based on specific variables of interest in this type of study.
For developmental psychology, cross-sectional experiments are often used, but this approach is also used in many other fields, including social science and education.
improved water habitats for human recreation.
the atom that is most closely associated to living things is carbon
Answer:
In my personal opinion, yes, this is a pretty typical behavior of human beings. I'd say it's naturalistic in a way.
Answer:
renewable A carbon diooxide B any living thing C clay D water
non renewable all i know is geosphere and its fossil fuels
Explanation: