Question

question 9
twin studies have shown that __________.
while certain characteristics are biologically predetermined, they do not fully explain individual cognitive and social development
prenatal development is key to cognitive and social development
environmental factors are much more influential
biological factors are much more influential

Explanation:

Twin - study research often shows that genetics (biological predetermination) play a role, but environmental and other factors also contribute to cognitive and social development, so biological factors alone are not sufficient to explain development.

Answer:

while certain characteristics are biologically predetermined, they do not fully explain individual cognitive and social development