Which best ex lains how photosynthesis is helpful to humans?
It reduces he amount of harmful rays released by the sun.
It in eases the levels of carbon dioxide in the air.
provides oxygen for humans to breathe.
It produces proteins, which humans can eat.

the african society basically suffered the consequences of colonization and apartheid directly attacking the black people, first, during the colonialism and its main idea which which "white people" had better rights, affecting   them principally in the right to establish black people in their territories, access to quality education and health services and took away any civil right even to the black people to feel they have the same opportunities as the settlers.

kenny´s more than 25 years of relevant public service. in the army for two decades, as official representative for four years, and now for the department of state, as ambassador. this career clearly demonstrates great capacities in the public sector.