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: 20 amino acids
Explanation: The 20 amino acids that are found within proteins convey a vast array of chemical versatility. The precise amino acid content, and the sequence of those amino acids, of a specific protein, is determined by the sequence of the bases in the gene that encodes that protein.
Fro the answer to the question above,
<span>Based on fossil evidence, eukaryotes evolved about <u>2.1 billion</u> years ago</span>.
<span>Approximately the first single-celled Eukaryotes appeared 2.1billion years</span>.
But the multicellular eukaryotes first appeared at 1.5 billion years ago.
I hope this helps
Gas: when the water has evaporated and is now out in the air. Water molecules move super fast during this stage.
Liquid: Water molecules have a good amount of space to move around, but they aren’t traveling as fast as they do in the gastric state.
Solid: ice in other words, the water molecules are super tight and compact, but are still moving around, just not very fast.
