Which of the following is the conjugate acid of water?

A) HCl
B) H3O+
C) NH4+
D) OH-


B

Environmental & Atmospheric Sciences

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In what region of Sub-Saharan Africa is desertification most severe?

A) the Kalahari B) the Sahel C) the Congo D) the Horn of East Africa E) South Africa

Environmental & Atmospheric Sciences

China, Malaysia, and Indonesia are examples of developing nations that have

A) successfully entered the global market. B) been unable to escape the poverty-debt trap. C) become fragile states. D) not yet entered the process of demographic transition.

Environmental & Atmospheric Sciences

Which of the following is NOT one of the types of deposits associated with hot springs?

A. terraces B. cones C. concentric deposits D. domes E. speleothems

Environmental & Atmospheric Sciences

Sharks, skates, rays, and chimaeras comprise the class ____________, and have a skeleton made of tough, elastic

____________. Fill in the blank(s) with the appropriate word(s).

Environmental & Atmospheric Sciences