Answer:
<em>Use of crack cocaine affects the user, family, and society. These effects can be seen through abuse, promiscuity, unplanned pregnancy, divorce, violence, accidents, and crime. Crack cocaine affects the financial stability of families and the nation. The federal government spends billions each year on drug control.</em>
Answer:
only eukaryotic cells have a nucleus
Diffusion is the movement of all types of substances from the area of the higher free energy to the area of the lower free energy Osmosis is the movement of only solvent or water from its higher free energy or chemical potential to the area of its lower chemical potential when the solute particles are not allowed to diffuse. <span />
Physical activity can improve your health and reduce the risk of developing several diseases like diabetes or cancer.
Answer:
1) Defense against infections that can occur in the human body.Transport oxygen away from the lungs and around the body.
2) Distributes nutrients from food in the body. Transport nutrients around body.
3) It helps to regulate the body temperature of the human. Keep body at a normal temperature.