Adoption studies are often used when attempting to study the influence of genetic factors on psychological disorders because these studies allow examination of genetic influences of psychopathology...A) Without the typical confound of siblings raised in the same environmentB) Without the typical confound of common biological parentsC) Through direct examination of genetic causesD) Using more sophisticated statistical techniques

a

Explanation:

Adoption studies are often used when attempting to study the influence of genetic factors on psychological disorders because these studies allow examination of genetic influences of

the answer is : the nut cases won't quit battling and their recurrence of flights will going to continue as before despite the fact that the battles are less hazardous now because of their bills have all of a sudden been blunted.   in the falcon dove diversion, two creatures will drive towards one another to crush one another, among the two one will win and other will swerve. in this way, clearly, the battle will be dependably there between two creatures for the assets or mate.

answer; the above statement is (true);