Whats the best way to deal with the loss of your s/o

Ascientist finds an organism that cannot move it has many cells produces spores and gets food from its environment in which kingdom does it belong explains

List three reasons people may begin using tobacco

The amount of oxygen that is actually used by the body during the rest or a hand workout is determined by the heart rate, the stroke volume, and the amount of a. blood circulating in the vascular system b. oxygen removed from the vascular system c. oxygen provided to the vascular system d. blood that individual has in the body e. hemoglobin in the red blood cells