Answer:
Because you body is introduced to the virus, it is familiar to it and can build up an immunity to the weakened form so when the actual virus invades, your body know what to do.
Explanation:
The agriculture is one of the biggest contaminators of the groundwater. The contamination happens through the usage of chemicals in the agriculture for protection of the plants, or to encourage their growth. Part of those chemicals mange to wash through the soil and reach the groundwater. The majority of the groundwater is connected with the lakes and the rivers, thus the chemicals reach those waters as well. This makes these waters unusable for the humans because they are becoming toxic. The end result would be much less freshwater for usage, be it fro drinking, or for housework, as it can cause serious damage and even death if used, so a shortage of water would be inevitable.
Answer:
carbohydrates, lipids, nucleus acids and proteins
Respiratory system, excretory system, digestive system
<span>A good way to control portion sizes when you eat out is to split an entre with a friend or eat only half and take the other half home. You have to eat fewer calories.Other ideas to eat more veggies, make oatmeal more filling with diced apples, and use a whole-wheat pita in place of bread so you can stuff it with more veggies.</span>