Which sex is born with half-formed versions of
their gametes that will mature at puberty

Which of the following is an example of motion in two dimensions?

How is zig zagging a form of acceleration?

Ahot-air balloon takes off from the ground traveling vertically with a constant upward acceleration of magnitude g/4. after time interval δt, a crew member releases a ballast sandbag from the basket attached to the balloon. how many seconds does it take the sandbag to reach the ground? (express your answer in terms of δt)