what is convection and radiation in short

Answers

Answer 1
the movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder, denser material to sink under the influence of gravity, which consequently results in transfer of heat.
"the final transfer of energy to the surface is by convection" and radiation is In physics, radiation is the emission or transmission of energy in the form of waves or particles through space or through a material medium. This includes: electromagnetic radiation, such as radio waves, microwaves, infrared, visible light, ultraviolet, x-rays, and gamma radiation (γ)

Related Questions

How can u tell someone’s arm reach by just looking at them

Answers

Answer:

by caculating the hight of the person and the measu4rement of the arm and devide the answers

Explanation:

what time or day die Albert Einstein?​

Answers

Answer:

After suffering an abdominal aortic aneurysm rupture several days before, Albert Einstein died on April 18, 1955, at age 76.

Question 9 (1 point)
Which statement about hormonal methods of contraception is false?
They are safe and effective for all women.
They come in various forms, including the pill, the patch, and a vaginal ring.
They are widely used.
They do not prevent STDs.

Answers

Answer:

they do not prevent STDS

How do the withdrawal symptoms of caffeine differ from those of heroin?

A. They include vomiting
B. They last longer
C. They don’t include irritability
D. They are much less serious

Answers

I think it’s D most likely.

Fitness goals should be _______ so that you don’t lose hope before you get started

Answers

Realistic and achievable

How can
quackery
be prevented?write in five points

Answers

Answer:

Quackery, the characteristic practice of quacks or charlatans, who pretend to knowledge and skill that they do not possess, particularly in medicine.

Explanation:

prevention measure:

Practice safe internet use. ...Destroy private records. ...Secure your mail. ...Be careful with your Social Security Number. ...heck your credit report. ...Be aware of scams.

hope it helps

stay safe healthy and happy.

Anabolic steroids are most common in young men who are
a. trying to be like their older brother
b. guys going into the military
c. athletes training for a major competition
d. do not have a father within the home

Answers

Answer:

c. Athletes training for a major competition

I would have to say
C

puberty occurs when a person becomes capable of what?

A. reproduction,

B. self care,

C. driving

Answers

B.Self care
Hopefully that’s good

Which statement describes a physical benefit of practicing abstinence?

Abstinence eliminates the risk of pregnancy.
Abstinence reduces the likelihood of alcohol abuse.
Abstinence increases the likelihood of graduating.
Abstinence allows people to establish more stable relationships.

Answers

Answer:

Abstinence eliminates the risk of pregnancy.

Explanation:

Abstinence reduces the likelihood of alcohol abuse.

Explanation: Abstinence is often a practiced as a way to stop drinking!

what are the signs and symptoms of bi polar?​

Answers

Answer:

may experience mood swings,elevated mood,high energy,,reduced need for sleep, and loss of touch with reality. Depressive episodes may include symptoms such as low energy, low motivation, and loss of interest in daily activities. Mood episodes last days to months at a time and may also be associated with suicidal thoughts.

Explanation:

Behavioral: irritability, risk taking behaviors, disorganized behavior, aggression, agitation, crying, excess desire for sex, hyperactivity, impulsivity, restlessness, or self-harm

Cognitive: unwanted thoughts, delusion, lack of concentration, racing thoughts, slowness in activity, or false belief of superiority

Psychological: depression, manic episode, agitated depression, or paranoia

Weight: weight gain or weight loss

Sleep: difficulty falling asleep or excess sleepiness

Also common: fatigue or rapid and frenzied speaking

Answer:

heyy do wanna join here

Explanation:

: 6440619382 pass : 0000

se.x meet on zo..om

14. Which of the following occurs during the second trimester?
The embryo's head and brain begin to form.
The fetus's hair and fingernails first begin to grow.
The fetus's respiratory system prepares to breath air.
The zygote attaches to the wall of the uterus.

Answers

Answer:

B

Explanation:

I think but I am unsure.

First Person To Comment Will Be Mark As Brainlist!!!!!!!!!!!!!!!!!​

Answers

Answer:

hey .

Explanation:

I’m just tryna be able to ask more questions g so ima just type this out

Please help :( Does anyone know the answers to these ???
Can the serving team only serve in pickleball? (True or False)
Name one way that pickleball is different than badminton? (explain)
Name one way that pickleball is different than badminton? (Explain)
Janay is winning 4-3 and serves to Omar. Janay loses the rally. What happens next?
1. Omar serves from the left service court
2. Omar serves from the right service court
3. Omar can choose which side he serves from
4. Janay serves again from the right
Please help me.. and thank you.

Answers

a difference from pickleball and badminton, is that pickleball uses a ball similar to a wiffle ball whereas badminton uses a shuttlecock (or birdie).

The leg curl is a muscular resistance exercise that primarily works which muscle group?
calf muscles
shoulder muscles
hamstring muscles
quadricep muscles

Answers

Answer:The hamstring muscle. The leg curl is a isolation exercise isolating the hamstring.

Explanation:

Using the ratio of flour to water differentiate among THREE types of quick bread and give one example EACH.

Answers

Answer:

Bran bread, French bread and flavored bread.

Explanation:

These three breads consist of a rapid rise and fermentation, since they contain yeast in their preparation, thus making their cooking in a short time. Unlike the dough bread that consists of several days since it is fermented through the same wheat and not with leavening agents such as fresh or powdered yeast.

Which are Jordan’s short-term goals?

Answers

The correct answer to this open question is the following.

Unfortunately, you did not include any references or information to know who Jordan is?

Who is he? Is there any story about him? Where it is?

However, trying to help you, we did some deep research and can comment on the following.  

Jordan’s short-term goals are the following.

Jordan wants to subscribe to a health magazine because he likes to take care of his body. Indeed, he wants to study to become a journalist in nutrition topics. But first, he has the idea to start writing a journal with nutritional tips, so he can improve his writing skills. After this, he has the idea to enter school and later, taking an online course in nutrition communications.  

where can you lern how to do cper if somebody is in trouble

Answers

you can learn online or take a class that would teach you how do perform cpr on somebody!! hope this helps
Online or you can look up classes in your area

Which of the following does not make a person more predisposed to addiction?

Depression
Genetics
Trauma
Unhealthy eating​

Answers

Answer:

genetics

Explanation:

Addiction does not have to do with lack of morals or weak willpower. The chemical reactions that occur in a person’s brain when they are addicted are noticeably different than the ones that occur in a person without one. That is why some people can smoke cigarettes on occasion for pleasure while others need them much more frequently in order to function.

Answer:

genetics

Explanation:

i just did the exam

In 3-5 sentences explain how media messages influence the decisions you will make about alcohol use.

Answers

Answer:

Whether an adolescent's peers drink alcohol also influences his or her likelihood of drinking alcohol. Another influence on adolescent drinking is the media: movies and television that depict alcohol use, music that includes lyrics about alcohol use, and advertisements for different brands of alcohol and social media can combine traditional media exposure to alcohol-related content with peer interactivity (e.g., peer endorsement of specific behaviors), resulting in a potentially even more powerful influence on drinking behavior.

Which factors affect the number of calories a person needs each day? Select three options.

age
sex
height
personality
social status

Answers

Age, sex, and height
The correct answer is age, sex, and height

All of the following examples show potential negative consequences of disregarding laws and regulations against drugs that could affect the community except

A. Alex drops out of high school and cannot get a job
B. Ashley is unable to provide food for her family and needs community resources
C. Edward requires expensive rehabilitation treatment
D. Zoe experiences stunted bone growth​

Answers

Answer:

d

Explanation:

Illegal use of drugs that are banned and harmful chemicals can affect individually economically, mentally and health-wise. The use of drugs can cause bodily harm and will affect the life of the person and their family badly.

The following is not a negative consequence of drugs:

Option D. Zoe experiences stunted bone growth​.

The consequences can be explained as:

The use of drugs and substances can increase school dropouts and will affect the job opportunities of a person.

They can also become financially unstable leading them to debts and community resources.

They also require rehab and counselling sessions that are expensive.

Therefore, stunted bone growth is not a consequence of drugs.

To learn more about the potential negative consequences of drugs follow the link:

https://brainly.com/question/1182168

5. After being stranded on a cruise ship during a past vacation, a woman develops an intense fear of riding in boats. Her problem is most likely an example of which of the foll
O generalized anxiety disorder
obsessive-compulsive disorder
ОООО
O post-traumatic stress disorder
specific phobia

Answers

Answer:

Ty for the points

Explanation:

lol

I’m pretty sure it would be post-traumatic stress disorder

Ron has a family history of high blood pressure. He has studied the causes, signs, and possible outcomes of the disease. What kind of strategy has he used to improve his health?Which description best defines health?

Answers

Answer:

aids

Explanation:

this a joke btw don't take this seriously

What is the BEST definition of violence?
any interpersonal use of force that causes lasting physical harm
any action that causes intentional or unintentional harm to another person
the use of force with the intent to cause serious bodily injury
an interpersonal use of force that is not socially accepted

Answers

Answer:

"the intentional use of physical force or power, threatened or actual, against oneself, another person, or against a group or community, that either results in or has a high likelihood of resulting in injury, death, psychological harm, maldevelopment, or deprivation."

i have a yeast infection

Answers

Answer:

go see a gynecologist

Explanation:

yeast stinky smelly no good for health

You can buy that over the counter at the drug store. No need to go to the doctor. Ask the pharmacist if you need help.

Which statement accurately identifies the order of tissues pictured from left to right in the microscopic image?

Answers

The correct answer is b ur welcome

How does sitting affect our posture?

Answers

Your shortened hip flexors and hamstrings begin to tighten, causing irregularities in your standing and walking postures. Your back muscles also stiffen and weaken from lack of use, and your core loses its ability to keep everything drawn together.

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What do some recovery support services provide individuals with to reach their recovery goals?
providing funding for recreational activities
help with employment
grocery shopping assistance
memberships to fitness clubs

Answers

Answer:

help with employment

Explanation:

Unemployment rate refers to the percentage of the total labor force in an economy, who are unemployed but seeking to be gainfully employed. The unemployment rate is divided into various types, these include;

I. Natural Rate of Unemployment (NU).

II. Frictional unemployment rate (FU).

III. Structural unemployment rate (SU).

IV. Actual unemployment rate (AU).

V. Cyclical unemployment rate (CU).

Recovery support services refers to a broad range or group of non-clinical services that are saddled with the responsibility of assisting individuals and family groups in initiating, stabilizing and sustaining long-term recovery from drug-abuse related disorders, behavioral health disorders or psychological disorders such as mental illness.

Some recovery support services are focused on providing individuals with help in getting employed, so as to reach their recovery goals in the long-run.

Drug abuse can be characterized by all of the following except

A. inability to focus on schoolwork and home responsibilities
B. legal problems cause by drug possession
C. need for increased drugs to experience the same high
D. physical harm to yourself because of drug use​

Answers

Drug abuse can be characterized by all of the following except legal problems cause by drug possession.

What is Drug abuse?

This is defined as the addictive use of drugs for nonmedical purposes whose long term use causes harm to the body.

Drug abuse doesn't occur only with illegal drugs which is why option B was chosen as the most appropriate choice.

Read more about Drug abuse here https://brainly.com/question/1189815

Answer:

B: it will be legal problems

Explanation:

8.
_________ is an example of a legal consequence of teen drug use.
a. Participating in high-risk behaviors
b. Suspending driving privileges
c. Creating stress within a family
d. Increased health costs

Answers

the answer is b, because if you look at the others they are all social and family problems!
Letter b. Is the answer
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