Explain the historical importance of these attractions and how you can visit them.
liberty bell
the alamo
ellis island
alcatraz
lincoln memorial

Humans increased food production by farming.

Magma forms by partial melting of upper mantle and crust. partial melt means that only a fraction of the available material forms a melt, and that the remainder stays solid. the partial melt rises because of its lower density and ascends through he crust. this is so conclusive mean the answer would be magma igneous rocks or balistic magma.

Adrought is taking place

Respiratory and cardiovascular diseaseor maybe your looking for the say 2.6 people die from