Answer:
Gliders, like other aeroplanes, fly by using ailerons, rudders, and elevators. Gliders are equipped with flaps to control fall speeds by boosting lift and producing drag. Many modern gliders also have airbrakes or spoilers, which obstruct airflow across the wing, raising drag and lowering lift.
Air is a homogeneous mixture.
Heterogeneous mixture means that the components are not evenly distributed, just like a mixture of sand and water where we can identify the individual components visually.
Answer: few survived the horrific train ride.
Explanation: The other options dont
highlight the fact that so many of the passengers died
I believe C is your answer.
