Which outcome followed the deforestation of Rapa Nui slopes?

💡 Explanation

Declining forest cover caused topsoil loss because rainwater runoff increased, accelerating erosion, which limited their agricultural capacity via reduced soil fertility; therefore, food production declined severely rather than experiencing intensive cropping due to a changed landscape.

• Which adjustment was necessary when using a brass astrolabe across varying ambient temperatures for astronomical observations?
• Which risk increased for Roman bridges with pozzolanic concrete after volcanic events heightened river sulphate concentrations?
• Which data interpretation inaccuracy risks arising when medieval astrolabes experience plate misalignment?
• Which outcome results when improperly compacted fill is layered for Inca agricultural terracing?
• Which structural problem emerges when a cantilever bridge experiences excessive asymmetrical loading?
• Which risk increased during Roman road construction due to timber bridging soft terrain during wet seasons?