B it is a proven fact I’m taking the test right now
A heterogeneous mixture is a mixture in which its components retain their identity (texture, surface tension, etc.)
Answer:
meta-analysis
Explanation:
Meta-analysis involves the statistical procedure of combining data and results from multiple studies and trying to determine or draw relevant conclusions from here.
From the example above, Dr. DiLorenzo combines results from a number of studies of same topic to investigate the relationship between two variables. He is doing a meta-analysis.
Answer:
Opportunity cost is the cost of a foregone alternative. If you chose one alternative over another, then the cost of choosing that alternative is an opportunity cost. Opportunity cost is the benefits you lose by choosing one alternative over another one.
Hope it helps.
