Answer:
Diffusion stops when the concentration of the substance is equal in both areas.
Explanation:
It doesn't mean that the molecules of substance are not moving any more, just that there is no overall movement in one direction.
Answer:
Tobacco
Explanation:
Various investigations have identified more than 4000 chemical elements in tobacco smoke particles. It has been shown that at least 60 of them, such as nickel, are carcinogenic. Nicotine, the addictive ingredient in tobacco, stimulates the nervous system, which speeds up the heart rate and increases blood pressure. Other research showed that nicotine stimulates a group of neurons in a region of the brain called the hypothalamus, which are responsible for communicating to the body that it has already eaten enough and is satisfied. Finally, smokers also have other visual effects such as yellowish pigmentation around the fingers, hands, teeth and even the hair can acquire that yellowish hue.
This question is severely broad as it all depends on a number of factors. Ibcan however provide this link with a table that you may find helpful.
http://www.businessinsider.com/at-what-temperatures-can-you-get-frostbite-or-hypothermia-2015-2
Answer:
Lung and ovarian cancers.
Explanation:
Cancer may be defined as the uncontrolled division of the cell and require less nutrient media for its growth. The property of apoptosis has been lost in the cancer cell.
Effusion may be defined as the instance or presenting the liquid, pericardial fluid or smell. Some cancers are marked by the property of effusion. Lung cancer and ovarian cancer shows effusion. The fluid are filled that are yellow or pinkish in color with slightly smell.
Thus, the answer is lung and ovarian cancers.