The most dominant male birds in the area is the first to break the night-time silence with their call, followed by the second most dominant. Cockerels (like those abve) call in the morning according to the social hierarchy of the flock, with the most dominant male crowing first, according to a study.
A low-precision gravimetric titration can achieve 10,000.the same. reproducibility as a titration with a 50 mL volumetric buret. It requires less reagent quantities, it is faster and less. complicated titration for the students and the teacher, and the equipment. is far less expensive.
This did not make any sense to me. Answer: Astigmatism is the difference in curvature of the cornea in different planes. If cornea is more curved in in horizontal plane it is 180 degrees.More curved cornea in vertical plane is 90 degrees.