One of the three lines of defense against pathogens is ________?

Answers

Answer 1

Answer:

one of the three lines of defense against pathogens is surface barriers that prevent the entry of pathogens into the body.

Explanation:if its right pls mark brainliest


Related Questions

The planets, comets, and meteors of the solar system are held
(in orbit by the Sun's.
fa. Gravity
16 Spring force
I. Friction
d. Tension

Answers

Answer:

Gravity

Explanation:

Gravity keeps the planets, comets and meteors in orbit around the sun. The sun is bigger and heavier than other planets etc, this causes the planets to be pulled and kept in orbit around the sun.

Hope this helps!

How many categories are there on the Modified Mercalli Scale?

Answers

Answer:

i hope this helps!!?

Explanation:

Giuseppe Mercalli (1850-1914) originally developed the scale, with ten levels. In 1902, Adolfo Cancani extended the scale to include twelve levels. August Heinrich Sieberg completely rewrote the scale. For this reason, the scale is sometimes named Mercalli-Cancani-Sieberg scale, or MCS scale.

Answer:

awsten knight

Explanation:

A diagram of a human skeleton. ​

Answers

Answer:Here is a detailed form of the human skeleton.Hope it helps!

Different surfaces absorb the Sun’s energy in different ways. These differences have an influence on weather. As the surface of Earth heats up, the air above the surface heats up as well. In certain parts of the Earth, air will heat up more quickly than others.

In which of the following areas will the air above the surface heat the fastest?

A.
the surface of a large lake

B.
the top of a mountain

C.
a puddle of water in your backyard

D.
a paved road on a sunny day

Answers

D. A paved road on a sunny day

¿el significado de comedia?​

Answers

Answer:para hacer reír a la gente y hacer brillar su día

Explanation:

whats the location of a nerve impulse?

Answers

Answer:

the place where the axon of one neuron meets the dendrite of another, using chemicals called neurotransmitters

Can some one help me please

Answers

3 one because I read the guys answer on top

which two waves lie at the begginning and end of the electromagnetic spectrum?​

Answers

Answer:

radio waves and gamma rays

Explanation:

On one end of the electromagnetic spectrum are radio waves, which have wavelengths billions of times longer than those of visible light. On the other end of the spectrum are gamma rays

Write an essay about the dangers of Child Labour. ( 250 - 300 words).

Answers

Explanation:

Child labour is the working of children of ages under 18 years old for number of hours that contrast their body growth and affects their health badly. This research is studying the affects of child labour on development of countries and trying to prove that the child labour is cause of delaying of some countries due to its effects on education. To prove that an interviews with labour children’s and their families have been made. More over a lot of statistics have been gathered by me of child labour in several countries from uniceff and international labour organization in addition to world health organization .the results which have been indicated is that most of the child labour found around the world is in the developing countries because children leave schools to work so in the future they become untrained adult can work.

i-Introduction

Child labour is the working of young children under the age of 18 years old for large number of hours and in unsuitable jobs .It was noted that The Child labour it is the work of children in un suitable ages for unsuitable work hours or under unhealthy conditions and under certain circumstances that contrast with their body growth and their education and also their ability for creations (February 2, 1992, The Child Labour Situation) . also it was conducted that child labour is breaking of human rights which obstacle there psychological life and their physical activities (international labour organization ). Further more the child labour is mainly found in the developing countries and in Africa and Asia . some statistics The high percentage of child labor occurs mainly in mali with percentage of 54.5 Burkina Fasowith 51 percent, Niger and Uganda with 45 percent and Kenya with 4L3 percent, the report said.Bangladesh had 30.1 percent, Nigeria 25.8 Haiti 25, Turkey 24, Ivory Coast 20.5, Pakistan 17.7 percent, Brazil 16.1 , India 14.4. China U.6, and Egypt 11.2 percent. (INTERNATIONAL JOURNAL OF HUMANITIES AND PEACE. 1997). After all of that the aim of my study is to show the bad effects of child labour .moreover if the child labour has effects on developing countries in delay in development.

ii-Literature review

a-The meaning of child labour

It was noted that The Child labour is the work of children at unsuitable ages for unsuitable work hours or under unhealthy conditions and under certain circumstances that contrast with their body growth and their education .also their ability for creations (February 2, 1992, The Child Labour Situation) . moreover it was conducted that child labour is the breaking of human rights which obstacle there psychological life and their physical activities (international labour organization ).in addition to that there is a positive meaning of child labour i.e. the children can work with their parents in home ,help in family work or get their pocket money from working in the weekends and in the summer vacations (international labour organization ).

b-Causes of child labour :

there are many causes of child labour the main cause for it is poverty of the families . The international labour organization noted that the poverty of the families is the main cause of child labour because the children have tow work to get money which help in keeping their life and the life of their families . in addition to that the families are not capable to pays funds of the schools . also the children who are living in slums and villages which don’t have any educational facilities so they work .more over the work market are demanding more children to worm because they take low salaries and they are less trouble maker than adults for the employer . furthermore it was noted that The children works due to the poverty of their families so they need income to overcome the challenges of the life as a result they need to send their children to the work to get them money. In the other hand they cant send them to the working fields that give high wages as exportation because of restricting laws so they must send them to works of low wages as agriculture or servings fields. They have to work more hours to increase their income even if some of their brothers or sisters in school their parents get them out and send them to work field( number cruncher Putting children to work,By Stephen Nickell,september 2009 · prospect · 15). In the other hand not all the causes are economic causes some of the are from family where children work with their families in farms , shops and different hand made industries said international labour organization .

Answer: Right now roughly 152 million children are victims of child labour, in over 179 countries across the world. Though many governments have laws in place to protect their youth, much of the world is still suffering from a lack of healthy jurisdiction.

Child labour is defined as work that deprives a person of their childhood. Generally, the legal age at which you are allowed to begin working is 15 - 18. Bolivia has the world's lowest legal minimum age requirement, at just 10 years old. However, the majoroty child labour victims are as young as 5 - 11 years of age.

Child labour has be proven detrimental to the physical health, mental health, and development in youth. Often accompanied with depression, drug dependency, premature aging, malnutrition, etc. We have only just brushed the surface of the true depth and impact this issue has on the individual affected. Time is also a limited resource, and it is estimated $176 billion is lost in potential future wages when children engage in labour instead of completing their education. This goes without mentioning the percentage of deaths among child workers.

Most jobs associated with child labour are extremely harmful. Hazardous conditions occur more frequently, and the risk of being exposed to forced labour, debt bondage, serfdom, and illicit activities such as prostXXXitution, porXXography, or drXXug trafficking greaten significantly. It is estimated that over 1 million children involved in child labour are trafficked globally per year.

Overall, Child labour is a pressing issue affecting hundreds of thousands of lives daily across the world. With the extreme conditions, psychological and physical damage, and other risks associated with child labour, it is hard to deny that it is a violation of human rights.

Luckily there are things you can do to help combat this pressing issue. Organizations like The Bureau of International Labour Affairs (ILAB) and World Vision are working hard and fast to reduce the number of children affected, and to strengthen national policies to protect them. There is still work to do, and it's up to American citizens like us to push for more support by contacting our members of congress and raising our voice on behalf of the millions of children suffering worldwide.

Explanation:

Some of the words are labeled innapropriate by this website, remove the X's from them

a_fault is from the hanging wall drops down

Answers

Answer:

If the hanging wall moves down relative to the footwall, the fault is a normal fault. Normal faults are caused by tensional stress, or stress that pulls rocks apart

Explanation:

What is the significance of crossing over?

Answers

Answer and Explanation:

Crossing over is the switching of genetic material (DNA), which occurs in Prophase 1.

This all happens in Meiosis, which is the process of the formation of sperm and egg cells.

The paired chromosomes from each parent align so that similar DNA sequences from the paired chromosomes cross over one another.

#teamtrees #WAP (Water And Plant)

Crossing over is essential for the normal segregation of chromosomes during meiosis. Crossing over also accounts for genetic variation, because due to the swapping of genetic material during crossing over, the chromatids held together by the centromere are no longer identical.

ASAP Help Please!! Why is bread soft and airy?
o Bacteria secreting lactic acid is breaking up the gluten
o Yeast is secreting alcohol and dissolving the gluten
o Yeast is secreting CO2 causing bubbles in the dough
o Bacteria is eating up some of the gluten

Answers

Answer:

Yeast is secreting CO2 causing bubbles in the dough

Explanation:

Answer:

option b

Explanation:

Yeast is secreting CO2 causing bubbles in the dough

Please help if this is correct and If you know more information I can add.

Answers

Answer:

Yes that is correct i think

Explanation:

Which organelle is correctly matched with the cell process it performs?
a. Nucleus -makes energy for cell to survive
b. Cell membrane - semi-permeable; controls what comes in and out of the cell
C. Mitochondria - makes proteins
d. Ribosome - the "control center" of the cell

Answers

Answer: B

Explanation:

the answer is b: cell membrane

Definition: This is is a medical procedure used in prenatal diagnosis of chromosomal abnormalities in
which a small amount of amniotic fluid is extracted amniotic sac surrounding a developing fetus and the
fetal DNA is examined.

Answers

Answer:

Amniocentesis

Explanation:

It involves inserting a long needle to extract fetal cells from the fetus's surrounding fluid for these diagnostic purposes. It is a risky procedure that has since been widely replaced by cell-free DNA testing.

when the carbon dioxide increases, the_______ increases ​

Answers

Answer: global warming increase

helpp a biology quiz

Answers

(M)etaphase cuz the chromosomes are lined up in the (M)iddle
Metaphase is the right answer

Choose one of the statements below that is true

Answers

The 3 one hope this helps xx

Before someone is arrested, a suspect is informed of their Miranda rights. Among other things, this informs them of their right to:

A. Legal representation

B. Leave the scene at any point

C. Change their mind about anything their say while being questioned

D. Own registered weapons

Answers

Answer: A
Legal representation

Name this structure
A:double helix
B:nucleotide
C:twisted ladder
D:hydrogen bond

Answers

Answer:

B.

Explanation:

Contains a phosphate group (yellow), nitrogenous base (green), and pentose sugar (blue).

Which of the following is true about environmental hazards to humans?
A)
Children are more at risk than adults because they take in more air per unit mass than adults.
B)
Adults are most at risk because they have the highest exposure to environmental hazards.
C)
Elderly people are most at risk because their immune systems do not perform efficiently.
D)
Children are least at risk because they have well functioning immune systems.
E)
Adults are most at risk because they take in more pollutants relative to their size than children.

Answers

Answer: A)

Explanation:

Children are at a higher risk of suffering negative effects from environmental hazards than adults, because children do not have fully developed immune systems. In addition, children have a higher exposure to environmental hazards, because they spend more time outside, on average, than adults. Children also take in more air per unit mass than adults, which means that they also take in more pollutants relative to their size.

Si se cruza un perro de pelo duro con una perra de pelo suave ¿Cuál será el resultado de la F1 y f2, siendo el pelo duro dominante sobre el suave? Por favor ayuden me

Answers

Explanation:

un marrano xx abababajabababdbdbfbx xjxbxbxbzxbxjxjsjss

Veins transport ____ blood.

fill in the blank please

Answers

Answer:

Veins transport Deoxygenated blood

(b) Describe the characteristics of the interior of the aquaporin channel protein that allow water to flow through AND exclude glucose.

If isolated keratinocytes are placed in a hypotonic solution for 24 hours, explain the net direction of water movement AND why the

rate of water movement slows down over time.

Answers

Answer:

Aquaporin protein is a type of protein composed of a bundle of six transmembrane α-helices.

Explanation:

Aquaporin protein is a type of protein composed of a bundle of six transmembrane α-helices. These aquaporin protein have different size of water channels that allow water through to pass through it but it does not allow glucose to move through it due to its large size. The direction of water movement is toward the cell because there is low water inside the cell as compared to outside environment so the water moves inside the cell and  rate of water movement slows down over time due to filling of empty spaces with water.

Plants and other autotrophs can not rely on photosynthesis alone for energy.
True or false

Answers

True they can’t rely on photosynthesis alone for energy

can anyone help please?

Answers

The answer would be 29% because the ratio of guanine to cytosine is 1:1

ill) Age changes in white blood cells include decreases in the number and rate of release
of stored cells, rate of movement, ability to be chemically attracted to areas, and
proportion of cells capable of performing phagocytosis. Explain how these changes will
affect the human body.
(2) PLEASE HELP... Reliable answer will receive brainliest.​

Answers

Answer:

it will reduce the ability of white blood cells to guide against disease

how dose wind cause surface currents

Answers

Answer:

Suface currents are mostly caused by the wind because it creates friction as it moves over the water. This friction then forces the water to move in a spiral pattern, creating gyres. In the northern hemisphere, gyres move clockwise; while in the southern hemisphere, they spin counterclockwise.

During mitosis _____ diploid cell divides to produce ____ new daughter cells. Each of the new cells is also _____
and is _____
to the original cell.

Answers

Answer:

gamete, brand , diploid, copy

13.
Which is the most accurate statement?

Answers

There is no photo :/
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