Answer:this is definitely a covalent bond
:)
Answer:
The correct option is C
Explanation:
Anaerobic bacteria used in sewage treatment helps to reduce the volume/amount of sludge in the sewage thereby producing methane gas from it. Some companies produce there own (not for sale) methane gas (as an alternate source of energy) through this process. Thus, <u>a decrease in the amount of this bacteria (perhaps through death as described in the question) will lead to a decreased production of methane gas</u>.
Answer:
The resulting embryo will be an individual which has 47 chromosomes. Chromosome number need to be precise or it will drastically alter the development of the embryo. Trisomy 18 is known as de Edward´s syndrome. This condition is the second most common type of trisomy after down syndrome and is more common in females. The effect of these genetic disorder can vary among patient and depends on the extent of the extra copy, genetic history and other variables. Most newborn while die during the first days or couple of months.