I think the answer to this question is headache. <span />
Answer:
3.
C. The circular shape
4.
D. Arw there fragments of meteorites in and around the crater?
5.
C. Triangles became extinct
The answer is chemical contamination. This is because the paint chip that falls into the food contains chemicals that are harmful to the body such as lead that negatively affects the nervous system when consumed. Better handling of the food should, therefore, be observed by ensuring a greater distance between the place where the food is being handled and where the paint is.
Well, I'm not sure about how many cells we have, but the average human body makes about 259 billion red blood cells per day. (That's why I don't know). Also, there are about 200 different types of cells with about 20 different types of organelles.
Hope this helps!
