Children begin to form a self-concept around months of age.

Which statement about covalent bonds is true

Use the right-hand rule for magnetic force to determine the charge on the moving particle. this is a charge.

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)