Answer: not sure try to goggle it.
Explanation:
The two type of changes are:
1. Independence
When a certain nation declared its independence, their territory is no longer belong to the country that colonize it. Which means that the national boundary undergone a change in ownership. Before the independence, it belonged to the country that colonize the nation. After the independence it belong to the nation itself.
Example: South American countries declared independence from Spanish Empire
2. State Annexes
During annexation, a certain territory is acquired by another country (could either be done through forces or consensual method). When annexation occurs, the national boundaries of the country that being annexed now belong to the nation that annexed it.
Example: When West Papua was acquired by Indonesia.
Answer:
Concrete operational
Explanation:
The concrete operational stage is the third stage of cognitive development stage proposed by Piaget. At this stage, the children show the logical thinking that is related to the conservation principle. They start to think that things are not changing, yet to be changed their physical appearance.
For example, the quantity of water will be the same whether the container size would exchange. But the quantity of water will be the same. The children who do not develop conservation they still are confused in long container quantity and wide container quantity.
Answer:
Chemical contamination
Explanation:
Sanitizers are chemicals sprayed on surfaces or substances to reduce the build-up of microorganisms such as bacterial to a safe level. When these substances are sprayed on food by accident, it is categorized as chemical contamination. Sanitizers are not meant to be put on edible products.
Foods that are contaminated by these chemicals are said to be unsafe for human consumption
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Answer:A law summarizes a series of related observations; a theory gives the underlying reasons for them.
Explanation:
What is a definition of a theory?
A proposed explanation for observations that has been made accompanied with the laws which is accomplish through a series of tested hypothesis over time .
This all gives a way to predict how nature works and what drives certain behaviours and laws that account for all of that.
This is when scientist go in a quest to question things, gather evidence and find conclusion a theory is then build up from every evidence that has been gathered.
A law summarises all of these into a short statement that will depict why that is the way it is.
