The earliest known fish lived in the Ordovician period and were called ____________________

Fill in the blank(s) with correct word


Ostracoderms

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Los gatos hidráulicos usan la fuerza creada por _____.

a. la presión de aire b. la presión de fluidos c. un motor eléctrico d. el agua que fluye

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At one time, forestry was considered a

What will be an ideal response?

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Reinforcing steel for concrete includes ____ and reinforcing bars.

A. welded wire mesh B. wire C. stranded wire mesh D. welded wire coil

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Technician A says vacuum bleeding can be done by a single technician. Technician B says vacuum bleeding may draw air into the hydraulic system past the bleeder valve. Which technician is correct?

A) Technician A only B) Technician B only C) Both Technicians A and B D) Neither Technician A nor B

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