<h3>
NEUTRONS AND PROTONS</h3>
The nucleus is a collection of particles called protons, which are positively charged, and neutrons, which are electrically neutral. Protons and neutrons are in turn made up of particles called quarks. The chemical element of an atom is determined by the number of protons, or the atomic number, Z, of the nucleus.
Answer:
<u>Sulfites</u> are the chemical food preservatives which used in the wine industry but may cause asthmatic reactions in some individuals .
Explanation:
A chemical food preservative is a chemical species which are added to a product such as the beverages , food , drugs , paints , wood etc , to prevent the process of degradation by microbes .
Sulfite is also an example of chemical food preservatives , sulfites helps the food from turning brown , in the presence of air .
Apart from helping the food from degrading , it too have same life - threatening symptoms for some people suffering from asthma .
Symptoms are - breathing difficulty , stomach cramps , tightness in the chest area , diarrhea .
Sulfites are used as a food preservatives in , wine , dried fruits , frozen potato , certain jams .
Answer:
First generation
Second generation
Third generation
Fourth generation
Fifth generation
Explanation:
First generation: the first generation is "vacuum tubes"
Second generation: the second generation is transistors
Third generation: the third generation is Integrated circuit
Fourth generation: the fourth generation is micro processor
Fifth generation: the fifth generation is artificial intelligence.
Answer:
Shope papilloma virus, mastomys natalensis papillomavirus, and psittacus erithacus timneh papillomavirus
true
Explanation:
they are called that just cause