A long-lasting filament.
Option: C
<u>Explanation:
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Thomas Edison wasn't the one who invented the bulb; rather he was the one whose mind enhanced the previous inventions on the light bulb and converted into the electric bulb officially. In 1878, he filed a patent application on improving the electric lights. He took a thin filament that possessed high electric resistance and created incandescent lamps which were long-lasting. After experimenting with many filament i.e., carbon and platinum, he concluded using the carbon filament in the lamp which lasted for around 13.5 hours.
Answer:
North America, the Europeans initially found a profitable commodity when fishermen began to barter with natives for <u>Fur</u>.
Explanation:
Before any type of settlement in Canada, the fisherman of Europe, namely: France, Spain and England used to bring metal cooking instruments, glass jewellery and types of armory to Northern America and trade them for exotic animal furs the natives would hunt and catch.
Betty's ability to adapt effectively in the face of threats to development is known as resilience. The term resilience is used to describe <span>the capacity to recover quickly from difficulties. It denotes toughness.
</span><span>The fact that Betty is successful, happy and satisfied despite the circumstances she grew in, means that she is capable of adapting well and overcome problems and threats. </span>