Answer:
The ball cant roll because the rough surface blocks the movement.
The rough surface will make it eventually slow down and stop.
Answer:
false, because the pitury gland sends signals for sex hormones to be produced in the body.
Answer:Both of these materials emit numerous volatile organic compounds (VOCs), many of them toxic. In addition to VOCs, the printing process generates nano particles which pose a respiratory hazard. More novel applications involve the printing of biological scaffolds used to generate organs and other structures.
Explanation: