The correct answer is pretest and posttest .
A pretest/posttest experiment is an experiment that includes double measurements at multiple points in time. In this kind of test, measurements (measurement of dependent variable) are taken both before and after a treatment.
I think the Atrial fibrillation is the uncoordinated beating of the atria rapid. These are rhythm in which all the atrial activity is depicted as chaotic undulations of the base line. Atrial rhythms include; atrial fibrillation, atrial flutter, premature atrial contraction, wandering pacemaker. Atrial fibrillation can cause an increased risk of stroke, heart failure and other heart related complications.
I think it is because the cold air is more dense than the hot air so the less dense air which is the warm air rises
Answer:
C
Explanation:
During the translation of an mRNA, it is read in a sequence of three nucleotides called codons. Therefore, a single strand of DNA or RNA will have three reading frames. Only one is biologically relevant and is referred to as the open reading frame because it is translated to the ideal protein. A shift in the reading of the frame can result in a wrong peptide.
