Plasma is a state of matter.
Answer:
An entire ecosystem can have moral value.
Explanation:
ecocentrism is the view that ecosystems are the key locus of moral value in the world.
Answer: The subject is HISTORY
Explanation: History is a branch of knowledge that studies the past; the assessment of notable events.
It is important for children to study history to shape shape their values, learn world views and avoid repetition of past mistakes.
I believe the answer is: Dropout
In research environment, a dropout describes the subjects who fail to fulfil the programs that created by the researchers from the beginning to the end. This would made every data that taken from the subject become inadmissible to make the research conclusion.