Answer:…South Korea arrested and imprisoned thousands of communists. North Korea crossed the 38th parallel and invaded South Korea. South Korea held free elections but North Korea did not. North Korea sought the support of China and the Soviet Union.
Explanation:
False, frozen water is denser than liquid water and does not allow lake organisms to survive water.
<h3>Density of Frozen water and Liquid water</h3>
By definition, density is the mass per unit volume of a substance, a property which is characteristic to each substance.
By convention, solid state of a substance are said to be denser than liquid state of the same substance. Hence, it follows that frozen water is denser than liquid water and does not allow lake organisms to survive.
Read more on Density;
brainly.com/question/6838128
Answer:
the answer is phase change
It’s D because the other ones don’t really make sense
Data is collected only once from a participant is not a characteristic of a longitudinal study. Thus, the correct option is A.
<h3>What is a Longitudinal study?</h3>
A Longitudinal study may be defined as a scientific approach to a specific research that involves recounted compliances of the duplicate variables over short or long periods of time.
A longitudinal study involves the collection of data from the same participants at different points in time, collection of data from a large sample size at the same time, and collection of data that can span over several years.
Therefore, the correct option for this question is A.
To learn more about Longitudinal study, refer to the link:
brainly.com/question/25681723
#SPJ1