Four people of different ages volunteer to take part in a sleep study that monitors their brain waves. the volunteer who will likely spend the most time in rem sleep is a

Yes, take risk in life

It is called the medulla oblongata or people usually call it medulla. it is the lower half of the brain stem continuous with the spinal cord. 

Mars and earth have quite a few things in common. both are  terrestrial planets, both are located within the sun’s  habitable zone, both have  polar ice caps, similarly  tilted axes, and similar  variations in temperature. and according to some of the latest scientific data obtained by rovers and atmospheric probes, it is now known that mars once had a  dense atmosphere  and was covered with  warm, flowing water.

Hello therethe ability of a muscle to produce prolonged effort is muscle answer: the ability of a muscle to produce prolonged effort is muscle  flexibility