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ANSWER:

A wheelbarrow, a BOTTLE OPENER, and an OAR are examples of second CLASS levers.

Mark Branilist

Explanation:

Physical CHANGES are changes affecting the FORM of a chemical substance, but not its chemical COMPOSITION. Physical changes are used to separate MIXTURES into their component compounds, but can not usually be used to separate compounds into chemical elements or simpler compounds

Answer:

1. measurement

2. circular

3. uniform

4. CENTIMETRES

Explanation:

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Solution

Given:-

The SUM of the PRESENT age of ANKUSH and his MOTHER is 89 years.

After 11 years, mother’s age will be twice SURESH’s age.

Find :-

Present age of Ankush & His mother.

Explanation

Let,

Present age of Ankush = x year

Present age of His Mother = y years

Case(1).

(The sum of the present age of Ankush and his mother is 89 years.)

➡ x + y = 89 __________(1)

Case(2).

(after 11 years, mother’s age will be twice Suresh’s age.)

➡(y+11) = 2 × (x+11)

➡y - 2x = 22 - 11

➡y - 2x = 11___________(2)

Subtract equ(1) & equ(2)

➡x + 2x = 89 - 11

➡3x = 78

➡ = 78/3

➡x = 26

Keep in equ(1)

➡y + 26 = 89

➡ y= 89 - 26

➡y = 63

Hence

Present age of Ankush = 26 years

Present age of His mother = 63 years

________________

ANSWER:

ELECTRIC IRON .HEATER..

EXPLANATION:

........

..

..

ANSWER:

a) machine

this is the answer.

ANSWER:

DISMAL all GO all do so do so do

Explanation:

∆¶¶\\£√}√|√°^¥

Answer:

(A) Categorization is an activity that consists of putting things, such as objects, ideas, or people, into CATEGORIES based on their SIMILARITIES or common criteria. It is sometimes considered synonymous with classification

(B) the act or PROCESS of classifying. 2a : systematic arrangement in groups or categories according to established criteria SPECIFICALLY : taxonomy. b : class, category. Other Words from classification Synonyms Example Sentences Learn More about classification.

Answer:

l

Properties of an image FORMED by PLANE mirror

• The image OBTAINED is virtual.
• The image is laterally inverted.
• The image is erect.
• The SIZE of the image is the same as the size of the object.
• The distance between the image obtained is the same as the distance between the object from the mirror.

this is the answer

Iron

Iron is most abundant in the Earth's outer and inner core, and it is the fourth most common element in the Earth's crust.

OXYGEN

Q: What is the most abundant element on Earth? A: Oxygen, which composes about 49.5% of the total mass of the Earth's crust, waters and ATMOSPHERE, ACCORDING to the textbook “Modern Chemistry.” Silicon is second at 28%

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ANSWER:

☁️

☔

This is UR answer no RAIN

Answer:

NEWTON's third law: If an OBJECT A EXERTS a force on object B, then object B must exert a force of equal magnitude and opposite direction back on object A. This law represents a certain symmetry in nature: forces always occur in pairs, and one body cannot exert a force on ANOTHER without experiencing a force itself.

Explanation:

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ANSWER:

udjdjxnamznn,jsk

Explanation:

jwhevxvdbnx

EXPLANATION:

selling prize of articles=16

cost prize of articles=15

loss prophit=x

loss of prophit=seiling prize

cost prize

x=16

15

16=15×x

16=15x

x=15-16

x=-1

loss prophit=-1

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ANSWER:ANSWER

n factor for 4 mol HCl is 2

n factor for 1 mol HCl =

4

2

​

=

2

1

​

EQ. WT. of HCl=

n.factor

M

​

=

1/2

M

​

=2M

Explanation:

ANSWER:

SORRY I can't UNDERSTAND the QUESTION

I THINK it should be TRUE

Answer:

Assertion: After white washing the walls, a shiny white finish on walls is obtained after two to three days. Reason: Calcium OXIDE reacts with CARBON dioxide to form Calcium HYDROGEN Carbonate which GIVES shiny white finish. 15. Assertion: Food chain is responsible for the entry of harmful chemicals in our bodies.

ANSWER:

d) all the above

is the answer

Explanation:

Answer: The reaction, somewhat simplified, is 6 CO2 (carbon dioxide) + 12 H2O (water) + light ---> C6H12O6 (glucose) + 6 H2O (water) + 6 O2 (oxygen). Then, cellular respiration, which is the same in plants and in animals, takes that glucose, BREAKS it back up, and HARVESTS ENERGY from it in the form of ATP.

Answer:

• Chlorine is having the atomic number 17.
• Chlorine is in group 17 of PERIODIC table, also called the halogens, and is not found as the element in nature - only as a compound.
• Represented by the chemical symbol “Cl,” chlorine is number 17 on the Periodic Table of the Elements, INDICATING each atom of chlorine contains 17 protons and 17 electrons.
• Chlorine is the second halogen, being a nonmetal in group 17 of the periodic table. Its PROPERTIES are thus similar to fluorine, bromine, and iodine, and are largely intermediate between those of the first two.
• Chlorine is a nonmetal because it does not have the CHARACTERISTICS of a METAL. It cannot conduct electricity, it is not flexible, and it is not hard....
• It's electronic configuration is [Ne] 3s² 3p⁵

26.04 g/mol

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Answer:

a

Explanation:

heterotrophs DONOT synthesize their own FOOD ....AUTOTROPHS do it .....pls mark me as brainliest

EXPLANATION:

PLZ FOLLOW me plz MAKE me on the BRAINLIST

ANSWER:

gas are well SEPARATED with no regular arrangement.liquid are close together with no regular arrangement. solid are tightly PACKED, USUALLY in a regular pattern

Explanation:

In SI units, MOMENTUM is measured in kilogram meters per second (kg⋅m/s). Newton's second law of MOTION states that the rate of change of a BODY's momentum is EQUAL to the net force acting on it.

SI unit: kilogram meter per second kg⋅m/s

Other units: slug⋅ft/s

Dimension: MLT−1

ANSWER:

the organs which help in excretion are Kidneys ,skin in the form of sweat

Explanation

EXCRETORY Organs. Organs of excretion INCLUDE the skin, liver, large intestine, lungs, and kidneys (see the figure below). Together, these organs MAKE up the excretory system. They all excrete wastes, but they don't WORK together in the same way that organs do in most other body systems.

Answer:

A freely-suspended BAR magnet ALIGNS itself in NORTH-south direction because the earth acts like a huge bar magnet with its North POLE facing towards geographic South Pole and MAGNETIC South Pole towards geographic North Pole.

ANSWER:

I don't KNOW

Explanation:

I don't know

Answer:

thank to of the answer is yes but red lime juice for all of your HARD to you and blue and white is answer is yes but I have a task to you bro and I could find a time to get the kids to bed you can get it from the weather and I could not find the attached CV and do the same for all of your hard to get a good PICTURE but red lime juice and dark GREEN light from a good IDEA to have

ANSWER:

BIRDS and SMALL INSECTS

Explanation:

Birds, small insects r living on the tree in my SURROUNDING.

Answer:

MITOCHONDRIA are membrane-bound cell organelles (mitochondrion, singular) that generate most of the chemical energy needed to power the cell's biochemical reactions. Chemical energy produced by the mitochondria is stored in a small molecule called ADENOSINE TRIPHOSPHATE (ATP).

EXPLANATION:

This is about Mitochondria

ANSWER:

B. Filtration

Explanation:

The NEPHRONS work through a two-step process: the glomerulus filters your blood, and the tubule returns NEEDED substances to your blood and removes WASTES. Each nephron has a glomerulus to filter your blood and a tubule that returns needed substances to your blood and pulls out additional wastes.

ANSWER:

the SMALLEST particle of a CHEMICAL element that can EXIST.

ANSWER:

jbkvb vyub ktcubno it xyvkljkuddblby H LT OK jlhh

ANSWER:

I have been talking for all the answer is no then and I will get back in snsjjesisidbjdjdjjejsjbdhdekekrjeiejfhf and BLUE and WHITE and black ONE is the best of my

ANSWER:

प्रोटोकॉर्डेट्स का आर्थिक महत्व नगण्य है लेकिन ये जन्तु शास्त्रियों के लिए अत्यंत जातिवृत्तीय महत्व के होते है। वे जीवित कशेरुकियों से अधिक बंधुत्व और संभवतः समान उद्गम प्रदर्शित करते है। वे जीवन पर्यन्त तीनो मौलिक कॉर्डेट लक्षणों (नोटोकॉर्ड , खोखली पृष्ठ तंत्रिका रज्जु और ग्रसनीय क्लोम छिद्र) को धारण किये रहते है।

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I THINK u can clearly write the question because,

antacids (every acid) MIXES completely with water and they do GIVE some chemical changes like turning into different Colors,

but in this case CO2 is evolved DUE to the minerals present in water that react to the antacid poured,

pls write in the comments if you mean water bubbles or soap bubbles

Answer:

Viscosity is a measure of a fluid's resistance to flow.

It describes the internal friction of a moving fluid. A fluidwith LARGE viscosity resists MOTION because its MOLECULAR MAKEUP GIVES it a lot of internal friction.

Answer:

Only CA(NO3) 2and NA2 CO3 are soluble in water.

Explanation:

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ANSWER:

penguin

Explanation:

HOPE it HELPS you

Explanation:

to WALK at 14 MONTHS isn't usually indicative of a problem. While some babies begin walking before 12 months, others don't walk until 16 or 17 months.

TERRESTRIAL HABITATS.

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ANSWER:

hydrogen

EXPLANATION:

there is no NEED for explanation

Answer:

1665

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Answer:

Recent protochordates are thought to have evolved from the same ancestral STOCK as that which gave rise to the vertebrates. Two main theories have gained GENERAL acceptance as to how the vertebrates may have evolved. ... SUBSEQUENTLY, the sessile stage was LOST, and the vertebrates evolved from this free-swimming animal

Mark Branilist

A gear is a KIND of machine element in which teeth are cut around CYLINDRICAL or cone SHAPED surfaces with equal SPACING. ... ALSO, they can be classified by shaft positions as parallel shaft gears, intersecting shaft gears, and non-parallel and non-intersecting shaft gears.

Unemployment, according to the OECD, is persons above a specified age not being in paid employment or self-employment but currently AVAILABLE for work during the REFERENCE period. Unemployment is measured by the unemployment RATE, which is the number of people who are unemployed as a PERCENTAGE of the labour force.

Required Answer:-

We have:-

• Mass of the SOLVENT = 20 gm
• % composition of the solution = 10%

To FinD:-

• WEIGHT or mass of the component A or the SOLUTE of the solution?

Step-by-Step CALCULATION:-

Let the mass of the solute be x. Concentration of the solution by mass-mass % is: Mass of the solute / Mass of solution × 100.

Then:

⇒ x / 20 + x × 100 = 10

⇒ x / 20 + x = 1/10

Cross multiplying,

⇒ 10x = 20 + x

⇒ 9x = 20

⇒ x = 20/9 = 2.22 g (approx.

Hence:-

• The required mass of solute or component A is 2.22 g (approx.)