Answer:
Preservatives are the chemical substances which are added to the products like pharmaceuticals, paints, biological samples, foods and many other products to prevent the disintegration or rotting mainly caused by the growth of microbes or due to undesirable chemical changes.Preservations are of 2 types i.e. chemical & physical. Chemical preservation means addition of chemical compounds to the products. Physical preservation means process such as refrigeration & drying. Preservatives aims at decreasing the risk of foodborne infections, reduce microbial spoilage & to improve nutritional quality. Some physical methods used for food preservation include dehydration, freeze drying, refrigeration & UV-C radiation. Chemical And physical preservation are sometimes used in the combination.
The advantages of using the food preservatives are:
- Decrease the moisture content
- Increase the acidity
- Preventing the ripening process( naturally)
- Acts as an antioxidant
- Lowering the food waste
Main properties of ideal preservatives :
- It should not be poisonous
- It should not be irritant
- It should have physical as well as chemical stability
- Preservative must maintain the good compatibility with other ingredients used in the process of developing food
- It should acts as preservative in small concentration
- It should retains activity through food manufacturing, shelf life & usage
Yes you are correct, it is a chromosome
Huntington's disease is a hereditary condition in which your brain's nerve cells gradually break down. It affects your physical movements, emotions, and cognitive abilities. There is no cure at the moment, although there are ways to cope with this disease as well as it's symptoms. Genetic testing can definitively diagnose this condition, it may also help you decide whether or not to have children. Some people don't want to risk their children having this defective gene. Symptoms that may occur as the disease progresses include, uncontrolled twitching, difficulty walking, trouble swallowing and speaking, confusion, memory loss, personality changes, speech changes and decline in cognitive abilities. Sorry about the long post! Hope this helps ya'!
Answer:
Changes in solar intensity do not seem to contribute to the change in global temperatures. If they did, the temperatures would rise and fall with the Sun's energy. Instead, the global temperatures continue to rise despite the Sun's natural fluctuations.
Explanation:
Human activity is the main cause of climate change. People burn fossil fuels and convert land from forests to agriculture. Since the beginning of the Industrial Revolution, people have burned more and more fossil fuels and changed vast areas of land from forests to farmland.
