Which of these were achievements of ancient Indian civilization?

Development of Ayurvedic medicine and philosophy
Use of zero and advancements in ironworking
Creating pictographs and ideographs
Metallurgy and the invention of the compass
20 POINT

What explains the increase in life expectancy in botswana? a. the increased availability of jobs and an improved economy b. access to antiretroviral drugs, hiv/aids education, and widespread hiv/aids testing c. a series of military takeovers that stabilized the political system and led to education reform and increased literacy rates d. a recent military coup that led to an improved healthcare system select the best answer from the choices provided.