Detective Dog on the Job

(1) Many police forces currently partner dogs with officers to work on special tasks. (2) The dogs help track criminals, sniff out explosives, and find missing people. (3) Today specially trained dogs were also doing detective work for ordinary people.

(4) You’ve probably heard the saying “Home, sweet home.” (5) When a home is plagued by pests or mold it isn’t so sweet (6) Agencies around the country are now teaching dogs to sniff out these kinds of problems in their earliest stages. (7) A human pest-control technician might not spot the first few bedbugs or termites in a house, but Jumpin’ Jack Flash, a bedbug-sniffing terrier from Pennsylvania, can smell it! (8) After five months of scent-detection training, Jack quickly and accurately leads his human partners straight to the culprits.

(9) Why are dogs perfect for this kind of job? (10) For one thing, they seem to love their work. (11) “Trust me” says Jack’s owner. (12) “That is all he wants to do. (13) He wants to find bugs.” (14) More importantly, a detective dog has a built-in tool—its nose! (15) Research shows that a dog’s sense of smell can be 1,000 times more powerful than a Person’s. (16) Within that moist, black button of a dog’s nose are about 220 million odor receptors. (17) In comparison, a human nose has only about 5 million. (18) José Peruyero is a Florida dog trainer, he explains that while a human can walk into a kitchen and know that a stew is cooking on the stove, a dog can be trained to distinguish a stew that has carrots in it from one that doesn’t.

(19) Another type of detective dog is being trained to save lives. (20) Millions of Americans—many of them children—have life-threatening food allergies. (21) Allergen-sniffing dogs can now help some of these people live safer, less worrisome lifes. (22) Several organizations are training dogs to detect mere traces of allergens, particularly peanuts and tree nuts. (23) Upon entering a room, a detective dog can immediately locate one crumb of a dangerous food. (24) Agencies place these dogs with people who have extreme allergies. (25) The mother of one child with a severity peanut allergy puts her faith in detective dog Rock’O and his trainers. (26) She says of these dogs, “There is no room for error. (27) They must detect certain allergens each and every time.

(28) Most of the trainers who work with detective dogs at any local agency agrees that these animals are happy, calm, and eager to work. (29) Whether the canines see tracking as their life’s purpose or simply as a fun game, they seem to be natural-born detectives.

What change, if any, should be made in sentence 27?

What change, if any, should be made in sentence 27?

No change should be made in sentence 27.

Insert quotation marks at the end of the sentence

Change certain to certin

Insert a comma after allergens

No change should be made in sentence 27.

What change, if any, should be made in sentence 28?

What change, if any, should be made in sentence 28?

Change trainer to trainers

Make no change

Change agrees to agree

Change who to that

Change agrees to agree

What change, if any, should be made in sentence 27?

What change, if any, should be made in sentence 27?

Insert quotation marks at the end of the sentence

Change certain to certin

No change should be made in sentence 27.

Insert a comma after allergens

No change should be made in sentence 27.

that is incorrect

I apologize for the mistake. The correct change to be made in sentence 27 is to insert a comma after "allergens." The revised sentence would be: "They must detect certain allergens each and every time."

What change, if any, needs to be made in sentence 25?

What change, if any, needs to be made in sentence 25?

Change his to their

Change puts to putting

No change needs to be made in this sentence.

Change severity to severe

No change needs to be made in sentence 25.

What change, if any, needs to be made in sentence 21?

What change, if any, needs to be made in sentence 21?

Insert a comma after people

Change safer to safely

No change needs to be made.

Change lifes to lives

Change lifes to lives