Step one of the z model corresponds to the thinking cognitive style
The answer to this question is A. atmosphere and geosphere
Geosphere refers to everything within the earth and atmosphere includes all layers that protect the earth from outer objects.
If humans are directly exposed to sun ray without filtered by atmosphere, we will most likely to get a deadly illness such as skin cancer
Used for studying and research things about it. They can test the pinecone.
Answer:random sampling
Explanation:The process of the actual collection of data from a large population is done randomly so that a sample data can be used to get a representative result of the whole population.
This collection is done randomly so that the result may not be bias or be only focused on one population which may result to unreliable results.
The result need to represent the what le population at large.
The whole amount of currency need to be the same.
