Rats were the major reservoir for the ____________________ that killed more than one-fourth of the population of Europe during the 1300s
Fill in the blank(s) with correct word
Black Plague
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Certain pesticides called _________ are taken into the plant and may be able to get at insect pests
Fill in the blank(s) with correct word
Lycopene is a carotenoid giving tomatoes their red color
Indicate whether the statement is true or false
Answer the following statement(s) true (T) or false (F)
1. Energy indicates how fast power is used or produced. 2. James Watt compared the power of his steam engines to the amount of work an average team of horses could accomplish. 3. One watt of power is dissipated (in the form of heat) when 1 volt of electrical pressure forces 1 ampere of current through the resistance of 1 ohm. 4. Electrical energy is commercially sold in units called kilowatt-minutes. 5. In general, energy can be converted from one form to another, and the efficiency of this energy conversion is a way of measuring how well the energy-converting device accomplishes its task.
Some master cylinder pistons have holes behind their seals to help fluid return
Indicate whether the statement is true or false