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acid rain is a broad term that includes any form of precipitation with acidic components such as sulphuric or nitric acid that fall to the ground from the atmosphere . This includes rain, frost, hail or even dust that is acidic

it damages the nature. it is harmful for animals and water bodies. it decreases the fertility of soil after excess use. etc

It is not helpful at allit kills more birds as welland damages our body as it contains very toxic element

the correct answer is b. bio fertilizers

five pairs of congruent objects you use daily

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,There are certainpairsofobjectsthat arecongruentthatwe use daily....Fiveof them are enlisted below:

Windows.

Books.

Bangles.

Boxes having the same dimensions.

Ruler.

Excessive use of fertilizers and chemical is harmful because of the following reaons-:1. It reduces the fertility of the soil.2. Due to its excessive use grains or fruits may become poisonous.

ans(1) visible movements like growth of organisms, green colour of plants or running of animals etc., acts as the main criteria to decide whether something is alive or not.

ans(2) carbon based molecules,i.e,food is used by body from outside to meet its energy need. oxygen is used to oxidase food which release energy, So, food and oxygen are the basic raw materials used by an organism.

ans(3)

Ans :- The raw materials required for photosynthesis areCARBON DIOXIDE and WATER.

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carbon dioxide and water

Crop only the question that you want a solution for. We will not be able to provide solutions to multiple questions.

The body structure of multicellular organisms such as human is very complex. They comprise of specialised cells and tissues for performing various important functions of the body Unlike the unicellular organism multicellular organisms are not in direct contact with surrounding environment therefore simple diffusion will not be able to fulfill the oxygen requirement of the cells and tissues

It is made up of membrane-bound sacs, and is also called a Golgi body, Golgi complex, or dictyosome. The job of the Golgi apparatus is to process and bundle macromolecules like proteins and lipids as they are synthesized within thecell

it is also known as dictosomes

Diffusion, being a slow process will take a lot of time to circulateoxygento all the body cells. Hence,diffusionisinsufficient to meet the oxygen requirements of multicellular organisms like humans.

when the pea plants of two contrasting characters of each, namely round green and wrinkled yellow were crossed, then only the dominant characters ie round yellow was expressed in the F1 Generation. This is the law of dominance for dihybrid cross.

Hope this will help you. <3

option B is the answer.as it is showing symptoms of unpredictable moods, outburts of emotions, quarrelsome behavior and conflicts with others, it is borderline personality disorder.

Membrane

he discovered golgi bodies

Mitochondria are tiny organelles inside cells that are involved in releasing energy from food. This process is known as cellular respiration. It is for this reason that mitochondria are often referred to as the powerhouses of the cell

mitochondria and plastids are as follows:

Both are cell organelles.

Both are bounded by double membrane.

Both contain DNA and RNA.

Both can make their own copies by division.

The differences between mitochondria and plastids are as follows:

Mitochondria helps in cellular respiration while plastids (chloroplast) helps in photosynthesis.

Mitochondria releases energy in the form of ATP while plastids store energy in the form of glucose.

Mitochondria are found in all eukaryotic cells but plastids are found only in algae and plant cells.

Mitochondria is the powerhouse of the cell while plastids are the kitchen of the cell.

FT(Not sure)FDont knowT

1 true2 don't know 3 true4 don't know 5 true

A secondhand makes a complete revolution (360 degrees) in 60 seconds, so it displaces 6 degrees for every second of elapsed time (360/60 = 6). And in 5 seconds, it will make a displacement of 30 degrees (6 * 5 = 30)..

Option 2 is correct as its fruits do contain seeds.

Option a) Mixed Cropping is correct.

explain itpp clap high Edi yup

After fertilization, the followingchangesare observed in aflower: There is formation of a diploid zygote and it develops into an embryo, which forms the future plant. The endosperm cells serve as a source of nutrition for the developing embryo. The ovule becomes the seed

1. Cerebellum1. Second largest part of the brain2. Forms a part of the hindbrain3. Controls precision, coordination, accuracy of timing and posture

Cerebrum1. Largest part of the brain2. Forms a part of the forebrain3. Controls voluntary movement, intelligence and memory

Thank you

2.

dephtheria is the right answer

diphtheria may be right answer

B) is the correct answer

the answer could be option c

d) is the correct answer

it is a disease diphtheria

ट्यूबरक्यूलोसिस सही उत्तर है

b is right answer ☺✨

that's called diphtheria

correct the answer diphtheria

diphtheria is the correct answer

diphtheria is the right answer....

diphtheria is right answer

B is correct answer

Depthheria is the right answer

Dephtheria is the right answer

diphtheria is the correct answer

diphtheria is the Wright answer

dephtheria is correct ans...

tuberculosis is right answer

c option diphtheria also called Gal ghotu....

a) tetanus is the correct anser

c) diphtheria is the correct answer

Diphtheria is the correct answer

Explanation:According to the law of definite proportions or constant composition, in all the pure samples of a particular chemical compound, the constituent elements are generally combined in the same proportions by mass.

The combination is regardless of the mode or origin of the of the compound.

A sample of pure water,whatever the source will be, will always contain 88.8% by mass of oxygen and 11.1% as the mass of hydrogen.Both the gases are divided in a constant ratio. Since, H2O contains the elements H and O in a fixed ratio by mass, this explains the law of constant composition, thus they are divided in a ratio of 1:8.Thus, the mass of Oxygen is 88.8%.

option a is the right answer

option a is the right answer

option a is the right

option a is the right answer

88.8% is the percent of mass of oxygen

a)88.8 is the right answer......

88.8% mass of oxygen and 11.1% by mass of hydrogen

88.8 is the right answer....

option A is a correct answer

Option a is correct answer

88.8% is percentage of oxygen

88.8 percent of all the water we drink today contains oxygen

88.8% of oxygen in this water sample

A is the correct answer

a sample of pure water, whatever the source always contain (a)88.8% by mass of oxygen and 11.1%by mass of hydrogen.

a 88.8 is correct answer

A phosphodiester bond occurs when exactly two of the hydroxyl groups in phosphoric acid react with hydroxyl groups on other molecules to form two ester bonds. An example is found in the linking of two pentose (5carbon sugar) rings to a phosphate group by strong, covalent ester bonds

Larynx(voice box) has vocal cord in respiratory system

Of theimportantbiological molecules only the non-polar lipids (fats and oils) and large polymers (e.g. polysaccharides, large proteins and DNA) do not dissolve. Thewateracts as a solvent for chemical reactions and also helps transport dissolved compounds into and out of cells.

Artificial Systems based onsuperficial features. Naturalsystems based onform relationships

These systemsof classification were based on one or few morphological characters. Many botanists used this system and classified angiosperms into different classes. Few of these botanists are

Theophrastus- who is known as the father of botany and apparently the first to provide a difference between dicots and monocots.

John Ray- His system was more advanced than the earlier systems

Carolus Linnaeus- Introduced the binomial system of naming

1. Sound waves2. Pinna3. Auditory canal4. Tympanic Membrane ( Eardrum) 5. Ossicles6. Oval Windows7. Cochlea8. Hair cells9. Impulse10. Auditory nerve11. Brain12. Sense of hearing

Ans :- If the cell sap of root hair contains high concentration of ions then more water will enter the root cells by endocytosis. This is because due to greater amount of ion the root cells become hypertonic with respect to the surrounding. Hence they absorb more water from the surroundings to become isotonic.

The transpiration drivenascentof xylemsapdepends mainly on the following physical properties of water(i) Cohesion Mutual attraction betweenwatermolecules. (ii) Adhesion Attraction ofwatermolecules to polar surfaces (such as the surface of tracheary elements).

a. Water and sucrose

A Is correct answer and this is write

Homeostasisis the tendency to resist change in order to maintain a stable, relatively constant internal environment.

Homeostasis typically involvesnegative feedback loopsthat counteract changes of various properties from their target values, known asset points.

In contrast to negative feedback loops,positive feedback loopsamplify their initiating stimuli, in other words, they move the systemawayfrom its starting state.

B and C both may be right one

B and C both ma6 be right

option 4.

thank you

The answer is option A.