1. Sarah menelangkupkan sebuah bikar kosong ke dalam sebuah besen berisi air. Sarah mendapati bahawa air tidak
dapat memasuki bikar sepenuhnya. Apakah kesimpulan
yang dapat dibuat daripada pemerhatian Sarah?​

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.

bradykinin is a physiologically and pharmacologically active peptide of the kinin group of proteins, consisting of nine amino acids.