Answer is (c) Ecotourism foster appreciation of nature and local cultures.
Rationale:
a. Ecotourism takes money away from conservation: Ecotourism does not affect conservation activities. It rather helps in bringing funds for conservation.
b. Ecotourism can exploit local peoples and increase crime rates: It helps in bringing in employment opportunities for the local people.
c. Ecotourism fosters appreciation of nature and local cultures: It helps the locals in showcasing their culture. This creates wealth. The appreciation of nature by tourist fosters a positive mindset towards participation in nature conservation activities.
d. Ecotourism traffic can harm delicate ecosystems: It does not harm the ecosystems. The number of tourists is regulated to ensure the safety of ecosystems.