I believe they used a atir
Answer:
This is a longitudinal research.
Explanation:
Longitudinal research refers to a type of research which takes <em>place over time</em>. It centers on the study of the <em>same variables through time</em> in order to observe the variable's changes.
In this case, psychologist study 5, 7 and 9 year olds and then study them again two years later.
Answer:
An ecosystem is a community of living and non-living things that work together – it consists of abiotic (soil, water, air) and biotic parts (flora, fauna)
Answer:
It talks about federalism in the constitution at article 1 section 8
Explanation:
Hey there,
Based on my research,1/5 of the land mass of the Netherlands has been of lakes, ponds 1,400 square meters of water. They were classified as the area to have alot of water.
Hope this helps.
