The correct answer is: [B]:
____________________________________________________
"it is based on the idea that all the present continents were one supercontinent".
___________________________________________________________
Answer:
B
Explanation:
The experimental drug has a direct effect on the dependent variable which is the presence of the headache.
The most likely reason that horses and mountain goats have hooves is that they have homologous structures because they share a common ancestor.
Hope this helps!
The answer is sac. It
is a fungi that attacks elm trees and is carried by an insect called the elm
bark beetle. It hits the roots and
causes the tree to slowly deteriorate and eventually die due to lack of
nutrients once it is infected by this fungi.
