With regards to energy flows for the sensible heat flux (h) relationship between air and land surface and the ground heat flux (g) relationship between the ground surface and deep soil, energy always flows from to :

a) low; high to reach equilibrium

b) high; low to reach equilibrium (incorrect)

c) air; land surface

d) deep soil; ground surface.

Answerweathering;

Answer any resource, such as wood or solar energy, that can or will be replenished naturally in the course of time;

Humans have survived and thrived in mexico city by using technology to create greater access to land. when the spanish conquered the aztec capital, tenochtitlan, in the 16th century, they built mexico city by draining the lakes and filling in the lake water to create more arable land for agriculture. this technique of land reclamation has continued to be fundamental to human civilization in mexico city. 

D: sill  is what it is on edgenuity!