Word form

Newton is considered one of the greatest _____ in the world. (science)

He is extremely excited because he thinks he saw a sudden ____ of a spaceship last night. (appear)

We were amazed at the ____ of robots at the exhibition. (perform)

Many UFO ________have been recorded by the US government. (sigh)

Iphone 14 has one of the most ________ chips nowadays. (power)

The boy made a(n) __________ report of a UFO hovering above his house but nobody believed him. (believe)

Environmental pollution has led to the _____ of many species of plants and animals on Earth. (appear)

My friends think that robots can do the tasks fast and ________. (care)

If the Earth becomes too _______, we may need to look to other planets for a new home. (crowd)

Global communication was changed by the ______ of the Internet. (invent)