In systole, you should expect that your mitral valve and tricuspid valve to be closed (snap shut) and you should expect your pulmonary valve and aortic valve to open. Hope this helps
The answer is letter C. She
measures the value of economic production and consumption, because Econometrics
is the application of mathematics and statistics to the study of economic and
financial data. It is involved in the study of problems, the analysis of data,
and the development and testing of theories and models.
Answer: The right answer is Cave-ins.
Explanation: Excavations and trenches are basically the man-made cuts inside the Earth's surface. These are made for multiple purposes such as mining or tunneling. One of the obvious risk while working in such excavations and trenches is cave-ins. It is basically collapse of that excavation or Trench. The roof of the mine collapses and people working under it get buried inside those excavations in trenches.
The answer would be D because the proportion is 6:9, which could be simplified to 2:3
Answer:
I think it's A.
Explanation:
It contains significant amounts of valuable metals such as mercury, cadmium, and lead that can be harvested and sold.
