Answer:
sorry but I do not know the answer
That looks like when most of the troops drafted into the Vietnam War
Answer:
okay
Explanation:
its true I gave tried it myself
Answer:
An observational study, not an experiment.
Explanation:
Researchers investigated reasons why different species of birds begin to sing at different times of the morning. They captured and examined birds of 57 species at different sites around England. They reported that there is a strong relationship between the diameter of a bird's eye and the time it starts singing in the morning: birds with larger eyes tend to start singing earlier.This is an example of An observational study, not an experiment.
Answer: You can consult:
“Mechanical” bridge means a manufactured device designed to seal the well bore or inside diameter of various sizes of casing that may be used as a base for approved plugging material.
Explanation:
I'm not sure but hope it helps.