which has shown more progress in low-income countries since 1990: child vaccination rates or access to basic sanitation?,what could be the reason for this

the indirect evidence that supports that the bubbles so generated are oxygen is that the bubbles in the plant increases when it moves towards the brighter light.

(i got this from the internet)

explanation:

he would destroy their leader and force them to a new religion. why would the 'columbian exchange' be considered the tsunami of unintentional "bio-terrorism"? ? some terrorists used to mail powder substances, so that when the victim opened it, the powder could get into their system and make them sick.

(hope this )