By process of elimination you can find the right answer. We know for a fact that carbon is found in all living organisms. That is why we talk about carbon based life forms. So the first statement cannot be true. You can figure out how many Valence electrons an element has by looking at the group number. The group number of carbon is 4 so the 2nd statement cannot be true. We know that carbon does bond with other elements because it is not a noble gas and therefore must be able to form compounds.
This means the answer must be they can form up to four covalent bonds
Answer:
ham Bhan k Uthai xeya ta hamra Garmin lagai xa kathi la Kani k bara ma Pharo thanda lagai xai
ITS FLAGELLA THEY ARE FOUND IN ALL 3 KINGDOMS OF CELLS
Trisomy 21, as illustrated by the karyotype, is caused by nondisjunction. This occurs when chromosomes do not separate properly during meiosis.
Answer is D) nondisjunction
