At Liberty High School, researchers passed out surveys at lunch about drug
use and asked students to turn them in on their way out. They might not get
accurate results because:
A. students at lunch might not be representative.
B. All of these are correct.
C. it was not a random sample.
D. probably not all students returned them.
(B is correct)

Answers

Answer 1

Answer:

b all of these are correct


Related Questions

Did you know that Green is the rarest eye color of the more common colors. Outside of a few exceptions, nearly everyone has eyes that are brown, blue, green or somewhere in between. Other colors like gray or hazel are less common

Answers

wow nice fact :))))))))))))))

HELP PLease! This is for my sign language class
The sign for "stomachache" uses a combination of pointing to the stomach and signing the word

A Ache
B Hurt
C Ouch
D Pain

Answers

Answer:

D.pain

Explanation:

I had the same question and it's pain.

Hope this helps :)

The sign for "stomachache" uses a combination of pointing to the stomach and signing the word ouch. The correct option is C.

What is sign language?

Sign languages are languages that then convey meaning through all the visual-manual modalities. Manual articulations are utilized in conjunction with non-manual elements to express sign languages.

The "stomachache" sign combines trying to spot to the stomach and actually signing the word ouch so it will be understandable.

Thus, the correct option is C.

For more details regarding sign language, visit:

https://brainly.com/question/17878013

#SPJ2

how many categories of struck-by hazards are there?

Answers

Answer:

These four categories of struck-by hazards include the following: Struck-by flying object, Struck-by falling object, Struck-by swinging object, and Struck-by rolling object.

Explanation:

why is lactose intolerance more common in certain ethnic groups

Answers

Answer:

The most likely explanation is nomadism," Sherman concluded. All 13 of the populations that can digest dairy yet live in areas that are primarily lactose intolerant were historically migratory groups that moved seasonally, Sherman said

Explanation:

It is important to learn, practice, and master the skills of good health. Four of the key skills include

Answers

physical , Nutrition, Mental health, and social health

Explanation:

What the person above me said

What part of yourself have to be free in order to describe yourself as free why

Answers

Answer:

your mind because if you mind isn't free then your body isn't free

what is Otolaryngology​

Answers

Answer:

Otorhinolaryngology, is a surgical subspecialty within medicine that deals with the surgical and medical management of conditions of the head and neck. Doctors who specialize in this area are called otorhinolaryngologists, otolaryngologists, head and neck surgeons, or ENT surgeons or physicians.

The medical and surgical study of neck and head

What are some side effects of stress?

fever
decreased appetite
increased appetite
fatigue
emotional strain
increased adrenaline

Answers

Answer:

anxiety

depression

Explanation:

that explains a lot

Which is a TCS food?

Answers

Foods that need time and temperature control for safety—known as TCS foods—include milk and dairy products, eggs, meat (beef, pork, and lamb), poultry, fish, shellfish and crustaceans, baked potatoes, tofu or other soy protein, sprouts and sprout seeds, sliced melons, cut tomatoes, cut leafy greens, untreated garlic.

what clues on a cbc would make a doctor suspect leukemia?

Answers

Please elaborate more your questions

Answer:

CBC is the most useful initial laboratory test in patients suspected of having leukemia. Most patients will show some abnormality in the CBC and some blasts will be seen in the peripheral smear in patients with acute leukemias. To diagnose CLL, a lymphocytosis of greater than 5000/mm3 must be present

Explanation:

i don't really know what your saying so I searched it up on goo g le

which type of heat transfer is a snowman melting in the sun? { i meant science as the subject

Answers

Sun = Radiative Heat Transfer.

Sun Rays = Convection.

Between which of the following weeks is a mid-pregnancy ultrasound conducted to
assess fetal development and growth?

13-17 Weeks
18-22 Weeks
27-31 Weeks
23-27 Weeks

Will vote brainliest please help. (20 Points)

Answers

Answer:

18-22 weeks

Explanation:

Most second-trimester ultrasounds, or "level 2" ultrasounds, are done between 18–20 weeks to examine the baby's anatomy and confirm that the baby is developing normally. Women with high-risk pregnancies may have multiple ultrasounds in their second trimester.

hope this helps!

which property of water is demonstrated when we sweat?

Answers

High heat of vaporization
high heat of vaporization

The heart muscle (myocardium) is controlled by the autonomic nervous system and has specialized neuromuscular tissue located within the __________.

Answers

Answer:

Located within the right atrium.

Hope this helps!

Explanation:

A patient presents to the emergency department with alcohol intoxication (precluding a useful history) and eye pain. The extrnal eye exam reveals an eliptically misshapen pupil, and a hyphema is also noted. A slice from a head CT (obtained due to patient's unclear history and intoxication). Of the following choices, which is the best next step for the emergency physician evaluating this patient?
1.A. palpation of the globe with mild digital pressure, to determine if increased intraocular pressure is present
2.B. performance of emergency lateral canthal tendon release
3.C. ophthalmology consultation for intraocular foreign body
4.D. topical corneal anesthesia followed by gentle sweep of a cotton swab over the eye to remove corneal foreign body

Answers

Answer:

i believe its C but im sorry if its not

Explanation:

Which of the following are classifications of diseases that have direct causes? Check all that apply.
genetics
pathogens
deadly
treatable
environmental

Answers

Pathogens as they are bacteriums or viruses that can cause diseases

Answer:

genetics pathogens environmental

Explanation:

. What is your idea of being a man and a woman?
ble​

Answers

Answer:

biologically speaking a man has an xy chromosome and a woman has an xx

air rushes into the lungs of humans during inhalation because ________.

Answers

Answer:

The volume of the thoracic cavity increases. pressure in the alveoli increases. the diaphragm contracts and pushes upward on the chest cavity

Fill in the Blank
Complete the following sentence.
Credit card companies charge
on any purchases you have not paid off that month.

Answers

Answer:

that would be interest or latecharge

Answer:

credit card companies charge interest

Which is not a function of the skin?
Temperature regulation
Protection against pathogens
Absorb nutrients
House sensory receptors

Answers

Answer:

C) Absorb Nutrients

What is Jay doing at the beginning of the movie? Is it relevant to what happens later?

Answers

If Jay is enjoying the movie, then later he will be satisfied if the movie ends how he liked it too.

3. How much do you know yourself?​

Answers

How much do you know yourself? Do you know what makes you happy? Do you know what gets you mad? Do you know yourself?

Answer:

hm for me 50%

SANA MAKA TULONG<33

3 objetivos del dible HANDBALL EDUCACION FISICA PORFA AYUDA SOLO TENGO 40 MIUTOS

Answers

SORRY I DONT UNDER STAND SORRY I JUST DID THIS FOR POINTS IT MUST SUCK WANTING HELP BUT BYE BYE BYE BYE BYE BYE BYE BYE BYE BYE

Paano magsisilbing gabaysa pagpapasiya at pagkilos ang konsensiyang nahubog sa likas na batas moral?

Answers

Answer:

Nagsisilbing gabay ang konsensya na siyang nahubog mula sa likas na batas moral sapagat ito ang munting tinig na siyang nagsasabi sa atin kung ano ang tama at wasto.

Explanation:

sana makatulong hehe:)

Which of the following "cause-and-effect" statements is true?

Answers

Answer:

B

Explanation:

Arteriosclerosis causes hypertension

If you develop atherosclerosis in your arteries you are at high risk for hypertension or kidney failure so I’d say B

Head trauma victims should

Answers

Answer:

The injured person should lie down with the head and shoulders slightly elevated. Don't move the person unless necessary, and avoid moving the person's neck. If the person is wearing a helmet, don't remove it. Stop any bleeding.

Answer:

all of the above

Explanation:

in order to prevent injury from weight training, before you begin an exercise program, it would be most important to __________.

Answers

Answer:

Explanation:

Warm up.

Start with lighter weights.

Gradually increase the weight.

Rest for at least 60 seconds in between sets.

Limit your workout to no longer than 45 minutes.

Gently stretch your muscles after your workout.

Rest a day or two in between workouts.

Answer:

b

Explanation:

How do doctors practise medicine

Answers

Answer:

Doctors say that they practice medicine is a figurative terminology. Don't go by its literal meaning. We are taught about various principles of medical.

The FDA requires phases and trials for medicine to be approved, medicine is tested in a group of healthy people (usually 20 to 80 people) to test how safe it is (usually it’s 3 trails) they need to check the side effects of the medicine and find the correct doses.

An acute injury is:
A. a sudden injury that has long-term effects.
B. a gradual injury that has short-term effects.
C. a gradual injury that has long-term effects.
D. a sudden injury that has short-term effects.

Answers

Answer:

a sudden injury that has long- term effects.

D- a sudden injury that has short term effect.

I don’t know any of the answers for this

Answers

Answer:

I think it's the last one

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