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Answer:When LIGHT is reflected from a surface, the ANGLE of incidence is always equal to the angle of reflection, where both ANGLES are measured from the PATH of the light to the normal to the surface at the point at which light strikes the surface. This equality is known as the law of reflection.

Explanation:

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ANSWER:

Follow these steps for locating the POLE star:

1. Locate the Ursa Major and locate the quadrilateral in it.
2. Select the two stars on the FAR side of the quadrilateral.
3. Join these stars with a line and extend this imaginary line TOWARDS the top of the ladle.
4. A faint star which MEETS this line is the pole star.

Explanation:

motion and rest is CONCEPT in physics which deals with kinematics.when object does not move and STAYS at rest the it is CALLED object at rest.

when objects moves it is known as movement.

eg:when we TRAVEL in train.Train is in motion.and passangers or we are in rest position.

ANSWER:

No !

EXPLANATION:

NYLON is not a natural FIBRE , it is a synthetic fibre

Conductors:-

1) Iron

2) ACIDIC solution

Insulators:-

1) Paper

2) RUBBER

Answer:

Superposition is a SUPER useful technique to ADD to your TOOLKIT of circuit ANALYSIS methods. Use superposition when you have a circuit with multiple INPUTS or multiple power sources.

The existence of MANY different kinds of PLANTS and animals in an environment is called biodiversity.

.

Two advantages of conserving forests and WILD life:

i. They add to the natural beauty of the environment.

ii. They provide VALUABLE things which are required for our survival.

ANSWER:

There is no specific medicine to prevent or TREAT CORONAVIRUS disease (COVID-19). People may need supportive care to HELP them breathe.

but by SELF care can treated.

• Sustainable management of natural resources is necessary to preserve the natural resources for the future generations and also to control environmental pollution.

• Reusing is BETTER than recycling because recycling REQUIRES a large amount of energy and MONEY, but reusing CREATES lesser AIR and water pollution.

ANSWER:

we can not cut out trees

we can ALSO grow trees

we can also put out from FIRE

PRIMARY CONSUMERS (green plants) are always at the second trophic LEVEL.

ANSWER:

HYDROGEN and OXYGEN

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HYDRA and PLANARIA have the ABILITY of REGENERATION.

Answer:

Explanation:

It is THICKER and longer than a standard test tube, which it resembles, so that LIQUID doesn't BOIL over. The entire tube can be immersed in a BUNSEN burner flame because it is composed of borosilicate glass, a type of glass which is resistant to thermal shock and will not crack when exposed to extreme HEAT.

ANSWER:

The answer is ATTACHED above..

ANSWER:

NN of theseeennznsdnnd

Explanation:

Usjjsjdjdjdjd

ITS CORONA VIRUS...!!!!!!!

MG = 12. Mg = 18

O = 8. O = 2......

ANSWER:

AMITABH BACHCHAN.......

.

ky nahi ha virus fakt CHIN NE INDIA vr sodlela vishanu virus AHE .....

ANSWER:

Explanation:

Huy JANE sani MANI

Advantages of conserving forests are:

1. They help in retaining ground water and PREVENT soil erosion by holding the top LAYER of soil.

2. They help to prevent floods.

3. They help to improve the quality of air and maintain the moderate temperature.

4. They form a home to a large variety of flora and fauna.

5. They supply raw materials to MANY industries, like wood, rubber, spices, medicinal herbs, etc.

Advantages of conserving wildlife are:

1. It helps in maitaining ecological BALANCE and biodiversity.

2. It provides food and forms raw material for CLOTHING, medicines and many other products.

ANSWER:

If it reproduces OT EITHER goes mitotic or meiotic DIVISION in both the DNA replicates.

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ANSWER:

this answer you'll GET when you ask them

maybe I can SAY that it is because the don't get enough water

so maybe they don't have a bath everyday

We COULD not SEE clearly through a trance Lucent object because translucent object only amount of light to pass through it as we know that to see we need large amount of light, but translucent object scatter light and HENCE ALLOW less light to pass through them therefore we cannot see objects clearly through a translucent object.

ANSWER:

VELOCITY = 350 m/s

Explanation:

Velocity=Wave LENGTH ×Frequency

= 5×70

V = 350 m/s

ANSWER:

SEX is a MALE or FEMALE

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ANSWER:

CONCAVE LENSES are USED in SALONS.

Answer:

EXPLANATION:

it collects a lot of energy to make GLUCOSE so that way GREEN plants can STAY alive

Answer:

On December 31, 2019, the World Health Organisation’s (WHO) China office heard the first reports of a previously-unknown virus behind a number of pneumonia cases in Wuhan, a city in Eastern China with a population of over 11 million.

What started as an epidemic MAINLY limited to China has now become a truly global pandemic. There have now been over 189,452 confirmed cases and 7,505 deaths, according the John Hopkins University Covid-19 dashboard, which collates information from national and international health authorities. The disease has been detected in at least 150 countries and territories, with Italy, Iran and Spain experiencing the most widespread outbreaks outside of China. In the UK, there have been 1,950 confirmed cases and 71 deaths as of March 17.

The Chinese government RESPONDED to the initial outbreak by placing Wuhan and nearby cities under a de-facto quarantine encompassing roughly 50 million people in HUBEI province. This quarantine is now slowly being lifted, as authorities watch to see whether cases will rise again. In Italy, which is experiencing the largest outbreak outside of China, the government took the unprecedented step of extending a lockdown to the entire country, shutting cinemas, theatres, gyms, discos and pubs and banning funerals and weddings. In the UK, the government has advised people to avoid all unnecessary social interaction or travel, and directed households in which one person falls ill with coronavirus symptoms to quarantine themselves for 14 days.

On March 11 the WHO officially DECLARED that the Covid-19 outbreak is a pandemic. "WHO has been assessing this outbreak around the clock and we are deeply concerned both by the alarming levels of spread and severity, and by the alarming levels of inaction," said its director-general Tedros Adhanom Ghebreyesus. Although the WHO designated Covid-19 a "public health emergency of international concern" (PHEIC) on January 30, it had been reluctant to call it a pandemic. "Pandemic is not a word to use lightly or carelessly. It is a word that, if misused, can cause unreasonable fear, or unjustified acceptance that the fight is over, leading to unnecessary suffering and death," Adhanom said.

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Does alcohol kill coronavirus? The biggest myths, busted

Does alcohol kill coronavirus? The biggest myths, busted

By MATT REYNOLDS

A quick note on naming. Although popularly referred to as coronavirus, on February 11, the WHO announced the official name of the disease: Covid-19. The virus that causes that disease is likely to be called Severe Acute Respiratory Syndrome Coronavirus 2, or Sars-CoV-2 for short, according to a draft paper from the International Committee on the Taxonomy of Viruses.

Explanation:

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(a) Astigmatism :

The defect by which the person is not able to differentiate horizontal and VERTICAL position, is called astigmatism.

Causes of Astigmatism:

• Astigmatism is CAUSED by an unevenly shaped cornea.
• The uneven shape causes the rays of light to focus on two points on the retina, causing distortion and BLURRING of images.

Correction of astigmatism:

This defect of vision can be rectified by using cylindrical lenses.

(b)presbyopia

The defect of eye in which a person is UNABLE to see both far as well as near objects clearly is called presbyopia.

Causes of presbyopia:

This defect of vision commonly occurs to old people because of the following reasons:

Weakening of the ciliary musclesReduction in the flexibility of the eye lensCorrection of presbyopia:

• This type of defect can be corrected by using spectacles having bi-focal lenses in which upper part consists of a concave lens to correct myopia (shortsightedness) used for distant VISIONS and the lower part consists of a convex lens to correct hypermetropia (long sightedness) sused for reading purposes.

ANSWER:

SODIUM because SILVER is NEVER inside

Explanation:

ANSWER:

• WEAR mask on your face
• better dont go out
• avoid close CONTACT with others
• avoid junk foods
• dont GREET someone by shaking hand/hugging/kissing

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ANSWER:

WATER CLOCK WORKED On Archamid Clock

ANSWER:

b)  कायिक जनन

(ASEXUAL REPRODUCTION) is the correct answer

bulbils of agave takes part in VEGETATIVE PROPAGATION /asexual reproduction

Explanation:

ANSWER:

no its not possible EVERY MACHINE have some energy LOSS in form of heat and or some other

ANSWER:

We do NOT have 70% identical DNA with a Slug, 70% of our ALIGNED genesare the same.

This means that most of the genes used for creating life are the same regardless of what species are USING them.

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healing process can be defined by the FUNCTIONING of wbc. during the body part GETS DAMAGED, it is healed by the function of platelets and wbc..

ANSWER:

these are the PLANT HARMONES which regulates the growth and the MOVEMENTS in plants

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ANSWER:

When water is ADDED to ACID it leads to the formation of hydrogen (H+)ions.These ions determine the STRENGTH of an acid the more these ions ,the powerful the acid is.

Indicators like litmus etc. are used to detrmine acid nature of aqueous solution.

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We can see SUN ☀ in day and MOON at night .

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Answer:

The testicles are housed in the scrotum just behind the penis. The testicles are the male gonads — the primary male reproductive organs. They have two, very important functions that are very important to the male reproductive system: they produce gametes, or sperm, and they secrete hormones, PRIMARILY TESTOSTERONE.The main function of the testes is producing and storing sperm. They're also crucial for creating testosterone and other male hormones called androgens. Testes get their OVULAR shape from tissues known as lobules. Lobules are MADE up of coiled tubes surrounded by dense connective tissues

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• (a) Ethyne is an unsaturated carbon compound. It burns in air with a sooty flame.

• It’s an incomplete combustion since the oxygen AVAILABLE from air is not enough to burn the carbon completely.

• Therefore, for COMPLETE combustion pure oxygen is required, which burns Carbon and Hydrogen completely PRODUCING a very hot and clean flame apt for welding.

• It is not possible to generate such a high temperature without pure oxygen.

• b) The Freezing point of pure acetic acid is very high.

• lt freezes into a solid at a temperature very close to room temperature: 16.5 ºC, or 62 ºF. Hence, during winters it gets FROZEN due to cold climate and appears like an ice.

• That is why pure acetic acid is called glacial acetic acid.

Ecosystem :- Ecosystem is a SYSTEM which includes ENVIRONMENTAL THINGS and our surroundings i.e living and non-living things both.

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Answer:

DUCTILITY is the ability of a material to be drawn or plastically deformed WITHOUT fracture. ... The ductility of steels varies depending on the TYPES and levels of alloying elements present. An increase in carbon, for EXAMPLE, will increase the strength but DECREASE the ductility.This makes the alloy harder and less malleable

Answer:The FOUNDATION of the building is GENERALLY built wider and broader as compared to its WALLS so that the building does not sink into the ground and is also capable to handle the pressure of the entire building. With the wide base as the foundation, large buildings can prevent HIGH pressure

ANSWER: it's blood

Explanation: