Which combination will make a buffer? KH2PO4 and K2HPO4
KBr and HBr
HNO3 and NaNO3
O LiOH and Lici

digital rectal exam (dre) a digital rectal exam (dre) is a test for both men and women. it allows a doctor to check the lower rectum, pelvis, and lower belly for cancer and other health problems, including: prostate cancer in men.

the ecg findings of an acute anterior myocardial infarction wall include: st segment elevation in the anterior leads (v3 and v4) at the j point and sometimes in the septal or lateral leads, depending on the extent of the mi. this st segment elevation is concave downward and frequently overwhelms the t wave.

explanation:

lifetime activities are certain actions that are either required throughout your life or you choose to do them. for example, eating is considered a lifetime activity, drinking water or other beverages, keeping your body clean, taking medicine. those types of actions are considered lifetime activities.