________ are a basic embryo type found in seeds that have a high ratio of endosperm to embryo. They are considered the most primitive form.
Fill in the blank(s) with the appropriate word(s).
Basal embryos
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Answer the following statement(s) true (T) or false (F)
1. A reducing agent is the element in a reaction that loses electrons. 2. A fuel cell is an electrochemical power source that converts the chemical energy of two reactants directly into mechanical energy. 3. The oxygen electrode is the cathode and is considered positive with respect to the hydrogen electrode, called the anode. 4. Fuel cells are an energy resource. 5. Solid oxide fuel cells (SOFCs) operate in the temperature range of 800°C - 1000°C.
Which sign in the figure above is a directional sign?
a. A b. B c. C d. E
Brake fluid flushing includes all of these EXCEPT ________
A) Bleeding at all four wheels B) Adding new brake fluid C) Changing brake fluid filter D) Removing the old brake fluid
What is a device that converts mechanical energy into DC electrical energy?
A. an alternator B. a generator C. a motor D. an inverter