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The answer is
The positive charges of the nuclei and the negative charges of delocalized electrons or the <span> metallic bonds.
</span><span>In a piece of metal, you have positive and negative charges attracting each other, holding the metal together.The positive charges come from the nucleiThe negative charges come from the delocalized electrons
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Answer:
C. Burning wood
Explanation:
BURNING. Burning is a non-reversible chemical change. When you burn wood, the carbon in the wood reacts with oxygen in the air to create ash and smoke, and energy in the form of light and heat. This is a permanent change that cannot be undone – you cannot turn ashes back into wood.
Answer:
B,Movement
Explanation:
Your musculoskeletal system includes bones, muscles, tendons, ligaments and soft tissues. They work together to support your body's weight and help you move. Injuries, disease and aging can cause pain, stiffness and other problems with movement and function.
Answer:
Explanation:
The Unit Of Current is defined as the flow of 1 coulomb of charge in one second . Its unit is Ampere.
An ammeter is a measuring device used to measure the electric current in a circuit. A voltmeter is connected in parallel with a device to measure its voltage, while an ammeter is connected in series with a device to measure its current.