What do the simplest vertebrates lack?

a. jaws
b. notochord


c. central nervous system
d. teeth
e. skull


a

Environmental & Atmospheric Sciences

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Women dominate the flow of migrants from ______________, ______________, and ______________.

A) the Philippines, Sri Lanka, Indonesia B) the Philippines, China, India C) Sri Lanka, China, India D) Pakistan, China, India E) Pakistan, the Philippines, Sri Lanka

Environmental & Atmospheric Sciences

Current photovoltaic technology uses sunlight to generate electricity

A) with a single structure in a single step. B) by heating water and using microscopic hydroturbines. C) in the process of microfusion. D) while generating small amounts of methane for use as a fuel in other applications.

Environmental & Atmospheric Sciences

An ion with a negative charge is called a(n) ________.

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

Environmental & Atmospheric Sciences

The general term that refers to the tendency of a parcel of air to either remain in place or change its initial position is

A) stasis. B) adiabatic. C) stability. D) buoyancy. E) conditional instability.

Environmental & Atmospheric Sciences