The question asks to evaluate two statements regarding disaster vulnerability in gender-biased societies.

Analyzing Assertion (A): Information Access and Vulnerability

Assertion (A) states that access to disaster information in gender-biased societies makes women more vulnerable than men. This is generally considered correct. In societies with strong gender biases, women may have less autonomy, restricted mobility, and limited access to communication channels or decision-making processes. This disparity can hinder their ability to receive timely warnings, evacuation instructions, and essential information during disasters, thus increasing their vulnerability.

Analyzing Reason (R): Social and Spatial Networks

Reason (R) states that men's social and spatial networks are typically larger than most females'. This observation often holds true due to societal norms and gender roles. Men may historically have had greater freedom in public spaces and broader professional or social engagements, leading to wider networks. Women, conversely, might face more restrictions on their movement and social interactions, potentially limiting the size and reach of their networks.

Connecting Reason (R) to Assertion (A)

Reason (R) provides a direct explanation for Assertion (A). Larger social and spatial networks (as possessed by men, according to R) facilitate quicker dissemination and reception of information, including critical disaster warnings and resource locations. If women, due to gender bias, have smaller or less accessible networks, they are less likely to benefit from these rapid information flows. This difference in network access, stemming from gender bias, directly contributes to women's increased vulnerability during disasters, validating that (R) is the correct explanation for (A).

Conclusion

Both statements are factually correct and logically connected, with Reason (R) substantiating Assertion (A).