I think the answer would be : A. the formula for the area of a circle
We need pi to calculate the area of a circle. Pi is equal to 22/7 , which is a famous irrational number because the division will meet no end
Hope this helps
Chata would be BEST described as suffering from Retrograde Amnesia. Retrograde Amnesia is a type of memory loss which happens after an injury, also retrograde amnesia can be either temporary, permanent, or ends up getting worse over time. Something interesting about Retrograde Amnesia, is that you may lose your memories, but if you have a skill like drawing or playing the piano, you will still remember how to do those.
A RADIOLOGIST
IS THE ONE WHO DOES X-RAYS
Answer:
Nonliving characteristics include the fact that they are not cells, have no cytoplasm or cellular organelles, and carry out no metabolism on their own and therefore must replicate using the host cell's metabolic machinery.
Explanation:
Viruses lack membranes. Hence, they do not show characteristics of life until they enter a living cell. On entering the living cell they use the cell machinery to multiply.