1pt Twins raised in different families still exhibit similar mannerisms, indicating that at least some behavior is O A. genetis
OB. environmental
O C. instinctual
OD. learned

The answer is A, genetic.

Twins reared apart help identify genetic and environmental influences on behavioral development, this allowed direct estimates of genetic effects on behavior and health, because they share all their genes, but differ in their environments.

Hbr dissociates to form h+ and br-ca(oh)2 dissociates to form ca2+ and 2oh-the h+ and oh- react to form waterassuming the reactants are dissolved in water, the net reaction is h+ + oh- —> h2oif you’re asked to show all components of the reaction, the complete reaction is 2hbr + ca(oh)2 —> cabr2 + 2h2o