استطلاع رأي عن اختبار الأحياء غدا + فائدة مع كل مشاركة

[bahamdain]

جيب اسئلة فيها حنكة ( لف ودوران ) :)

is the solution carried up through a plant in tracheids and vessel.....
elements

Xylem sap

[حـآيـس]

When your car parks at the top of an uphill street your car has a
A) kinetic energy
B) converted energy
C) potential energy
D) visible energy
E) mobile energy