Whenever you give a fact it looks better and more smart to show where you got the fact so it can be in the first paragraph last paragraph etc anywhere you give facts you should cite your sources so the information is more trusted and looks better . Hope this helps ! (:
The Cell wall works like a Barrier that prevent sickness to enter <span />
Answer:
Mahalaga ang pag-aaral sa isang lipunan o bansa dahil kapag ikaw ay nakapag aral ay isang karangalan ito sa isang bansa at mas umaunlad ang isang lipunan kapag ang mga tao ay nakapag aral
