It is alright to be exposed to a small amount of radiation and it isn’t anything to worry about. We actually are exposed to radiation every day from the sun but it isn’t too harsh.
Answer:
I think the answer is uracil because it has the same percentage as thymine in RNA which is 30% and thymine has the same percentage as adenine.
I hope this helps
Answer: b. Nutrients that leave the small intestine via blood are delivered first to the liver.
Explanation:
Lymph is a clear fluid that leeks out from the interstitial spaces of the cells and this comprises of electrolytes, blood proteins, and antibodies. It is pushed towards the heart from the lymphatic vessels. The nutrients from the small intestine are drained into the bloodstream and they are circulated to all parts of the body and not directly destined towards the liver.
Answer:
C. A new substance has been formed
Explanation:
A chemical change is one of the two types of changes (the other being physical change) in which the chemical composition of the substance (s) is altered. In a chemical change, which is usually IRREVERSIBLE, a new substance formed because there is rearrangement of atoms at the chemical level.
A chemical change is characterized by the following: formation of precipitates, evolution of gas etc. According to the image attached in this question, a blue precipitate is formed after a reaction between two solutions. This can be said to be an example of CHEMICAL CHANGE because it shows that a new substance has been formed.