Biomedical Science Journal For Teens - How many lives do vaccines save? Question: between 2000 and 2019, expand vaccination saved 37 millions lives, out of which 36 million were children under 5. why do you think that is?

https://sciencejournalforkids. org/wp-content/uploads/2021/01/vacc ination2030_article. pdf

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explanation:

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succession returns a disturbed

ecosystem to a more stable state. this is also classified into two (2) types:

primary succession and secondary succession. the primary succession arises when

a new land is transformed and a bare rock has been exposed providing an environment

that can be occupied for the first time. while, secondary succession occurs

when a previously occupied environment was disturbed that kills much of all its

community

explanation:

d. groundwater flows through the subsoil and deposits minerals.

igneous rocks are formed by solidification of cooled magma (molten rock), with or without crystallization, either below the surface as intrusive (plutonic) rocks or on the surface as extrusive (volcanic) rocks.  

the composition depends on the source magma. there are almost a thousand types of composition found till now.  

hope this