Explain why certain sectors of society are more vulnerable to disaster
than others?

Social norms and discrimination based on sex, sexual orientation and race may place certain groups in a more vulnerable position than others. In places where men are raised to be breadwinners, families prioritize boys' education over girls', thereby making women more likely to be poor and less educated than men.

Economic Vulnerability. The level of vulnerability is highly dependent upon the economic status of individuals, communities and nations The poor are usually more vulnerable to disasters because they lack the resources to build sturdy structures and put other engineering measures in place to protect themselves from being negatively impacted by disasters.  

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without the article i believe the answer could be a because algeria is a low soci-economic country in africa and most countries that ahve such qualities lack womens rights