The __________ of the heated wire in a hot-wire Mass Air Flow (MAF) sensor changes depending on airflow.

A. current
B. voltage
C. resistance
D. length


Answer: C

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Even though some propagators still measure light intensity with a photometric sensor that measures in units of ________, it is much more accurate to measure irradiance with a quantum sensor that measures photosynthetic flux (PPF) in units of ________, or with a pyranometric sensor which measures in units of ________.

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

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Grasses can endure _____ soil

A) extremely dry B) extremely wet C) relatively wet D) dry and rocky

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_____________ is the science of transmitting force by pushing on a confined liquid.

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

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Most dishwashers have integrated heating elements that pre-heat water, allowing us to keep our water heaters set safely at ____ degrees.

A. 110 B. 120 C. 130 D. 140

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