What practice helps scientists avoid bias in their findings

The concave notch in the kidney is referred to as the: a. hilum b. medulla c. calyx d. cortex

Arrange the following foods into two lists, one containing those that are the best sourced of complete proteins and one containing those that are the best sources of incomplete proteins. scrambled eggs corn on the cob chickpeas and rice beef burgers filet of sole peanuts refried beans hot chocolate milk fat-free milk baked navy beans fried chicken swiss cheese

It is believed that at least 1/5 of all pregnancies ends in spontaneous abortion before the end of the second month. a. true b. false