is a person whose job is to bake and sell bread, pastries, and cakes
What is a baker?
100
The central portion of the earth below the mantle.
What is a core?
100
The domesticated animal, having long ears and a loud bray
What is a donkey?
100
a large, migratory fish with a sword-like snout
What is a swordfish?
200
is a digital optical data storage format released in 1982 and co-developed by Philips and Sony
What is a Compact Disc?
200
a person qualified to examine the eyes, prescribe and supply spectacles and contact lenses
What is an optician?
200
a hole that has been drilled into the ground through which oil can be removed
What is oil well?
200
herbivorous marsupial, having short forelimbs, powerful hind legs, and a long, thick tail
What is a kangaroo?
200
Any of numerous tailless aquatic, semiaquatic, or terrestrial amphibians, characteristically having a short vertebral column, a large head, long hind legs used for leaping
What is a frog?
300
a set of keys used to input information
What is a keyboard?
300
a person whose business is the cutting, polishing, or setting of gemstones or the making, repairing, or selling of jewellery
What is a jeweller?
300
An industrial plant for purifying a crude substance, such as petroleum or sugar
What is a refinery?
300
the mature female of a bovine animal
What is a cow?
300
the world’s largest marine animal
What is a blue whale?
400
an optical instrument that shows an enlarged image of individual slides onto a screen or wall
What is a projector?
400
someone who sells or arranges trips or tours for customers
What is travel agent?
400
a device for converting mechanical energy into electrical energy, especially one that produces direct current
What is electrical generator?
400
A brown bear of northwest North America having a grizzled appearance from the silver tips on the guard hairs
What is a grizzly bear?
400
any of various fishes, having a rough scaleless skin, a wide mouth on the underside of the head, and five to seven-gill slits on each side: some attack humans
What is a shark?
500
a display device that also takes input via embedded pressure sensors
What is screen?
500
A man employed to attend the entrance of a hotel, apartment house, or other building
What is a doorman?
500
one of a series of large, upright poles used to support telephone wires, electric cables
What is utility pole?
500
One of the young of certain other mammals, such as moose
What is a calf?
500
is a fairly large fish that lives in rivers and streams.