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Several adaptations have evolved in desert PLANTS to MEET this need. ... WAX coatings on leaves prevent water loss through evaporation, which in the hot desert can cause loss of water from both the SURFACE and the INSIDE of leaves. Leaves are also smaller on desert plants, further reducing the possibility for water loss.

Major objectives of absolute conservation of natural resources are:

   To work with nature

   To stop work against nature

   To INTERFERE with non-human species only to meet basic needs

   To stop wasting the resources

   To protect environment from degradation while using the nature

Relative conservation

This approach of natural resources conservation emphasizes on the need of integration of conservation program while using the resources. Re-use, recycling and minimum use of the non-renewable resources like fuel, coal and minerals help in their conservation. Plant resources can conserve by making a certain provision of their utilization in limited quantity.

Conversational Use of Natural Resources

Natural resources are essential in every step of our life. We can not imagine even a second of life in the absence of these resources. The way that we exploit these resources along with conservation is its proper utilization. Conversational use of natural resources refers to the utilization of natural resources refers to the utilization of natural resources in such a way that includes the consumption as well as conservation, with the purpose of achieving the principle of sustainability. We should clearly understand the type, status and nature of the resources. On the other hand, the renewable natural resources are available in limited amount; therefore, we should reduce their use and seek their ALTERNATIVES. The concept of conversational use INCORPORATES the following principles:

   Maximum use of perpetual resources.

   Maximum production of renewable resources.

   Minimum utilization of non-renewable resources.

   Re-use and Recycle of non-renewable resources.

This concept is based on the principle of sustainable development which means to prolong the effects of development to the distant future. It helps preserve the flora and fauna.

Re-use

Re-use means using use the things for the next time. In re-use, the form of the resources is not changed. These are again to supply the DRINKS. Re-use helps conserve the natural resources in two ways. On the one hand it helps reduce the use of raw materials and on the other hand, it helps one reduce environmental pollution.

Re-cycling

Recycling is the process of making the resources able to be used after some alteration in the structure of the resources. Re-cycling includes re-melting, RECOLLECTING and reprocessing as well. The metallic utensils and plastics are re-cycled.

Impact of Human Activities on Natural Resources

Human beings depend upon the natural resources of the universe for their development activities. If they use the natural resources without their development activities. If they use the natural resources without considering their conservation, they can create a situation of imbalance in environment.

60000/300 = 200J/s

Ans

Nuclear energy contributes a small amount EMISSION into the ATMOSPHERE which can cause many environmental PROBLEMS such as global warming . Uranium is not burned in nuclear power plants coal is so there and no emissions from it .

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its not very reliable. At some point we are going to run out of fossil fuels which is one of the main THINGS we use for NUCLEAR ENERGY. which is why most people have gone GREEN.

our earth can be destroyed if honeybees are destroyed because honeybees are the main cause of WIDESPREAD of plants because they do the pollination process due to which their seeds are SPREAD if their seeds doesn't spread then they will be there and there will be a competition between each seeds for SUNLIGHT,water,ETC,.

Salt is applied on the inner surface of PICKLE jars and the pickle is COVERED with oil so that we can conserve it for a LONGER period of TIME and we can use it for a longer period of time.

A natural RESOURCE is what people can use which comes from the natural environment. Examples of natural RESOURCES are air, water, wood, OIL, wind energy, natural gas, iron, and coal.

What is the difference between Transverse and LONGITUDINAL waves? Transverse Waves: Displacement of the medium is perpendicular to the DIRECTION of PROPAGATION of the WAVE. ... The direction of propagation is from person A to B, so you will see the waves move ALONG this way. But the displacement will be up and down.

A NATURAL or artificial CHEMICAL compound CONSISTING of LARGE molecules is called polymer..

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The number of wavelengths or oscillations per second is the FREQUENCY of the sound wave.
The S.I unit used to MEASURE frequency is hertz (Hz).,NAMED after the German PHYSICIST HEINRICH Hertz.
1 hertz means that a cycle repeats itself once per second.

So SIMPLE.....
the answer is RAM.....

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Rotation of EARTH,Revolution of Earth,Swinging of a BELL,Movement of PENDULUM and SWINGS

WITHOUT FRICTION we cannot SET out the bodies in motion or stop the MOVING bodies. The friction is absolutely necessary for carrying day to day activities. On the other hand it also wastes the time and energy brings about wear and tear and slows down the motion. We can say that friction is a necessary EVIL.

Farmers stick an iron staff into the ground while working in the FIELD in rainy conditions to protect from Lightning.

Usually during rainy season, there are chances of lightning and thunder storms.

If lightning strikes the field then it causes loss of property and may kill people working in field

Explanation :

Here Iron staff ACTS as Lightning conductor .

if lightning strikes , it will HIT the top of lightning conductor [iron staff]. The electrical energy passes through the metal strip and GETS discharged SAFELY into the ground through buried metal plate.Hence farmer is protected from damage himself and to his field..

It is LOCATED in BRAIN between HYPOTHALAMUS and PINEAL GLAND

The valence electrons of an atom are those in the OUTERMOST shell. Electrons are all located outside the nucleus of an atom, with protons and NEUTRONS inside the nucleus. Electrons are FOUND in orbitals, or SHELLS around the nucleus. Electrons that are in the outermost orbital are the valence electrons, which are those responsible for BONDING with other atoms.

Standard UNIT for measuring MASS is kilogram. 1 kilogram = 1000 GRAMS

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Phenolphthalein is a synthetic indicator that JUDGES whether the solution is acidic or basic . It is COLOURLESS in nature. But when it is added to basic solution , it turns to light PINK in colour.

In acidic solution,it doesn't EXPERIENCE any change.

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Protozoa, such as AMOEBAS, and most of the free living ANIMALS,such as animals, exhibit this type of nutrition. In HOLOZOIC nutrition the energy and organic BUILDING blocks are obtained by ingesting and then digesting other organisms or pieces of other organisms, including blood and decaying organic matter.


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Heya!!!!

new plant grow in RAINY SEASON because they get appropriate TEMPERATURE and rainfall.

for its PROPER growth.

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The soil CONTAINING same AMOUNT of LARGE and FINE particles is called LOAMY soil.

The soil containing GREATER PORTION of big particles is CALLED sandy soil.

A hypha is a LONG, BRANCHING filamentous STRUCTURE of a fungus, oomycete, or actinobacterium. In most FUNGI, hyphae are the main mode of vegetative growth, and are collectively called a mycelium.

The major loss because of drought is for farmer they need WATER for irrigation
People need water for various usage.
ANIMALS die WITHOUT water even human BEINGS

HYPAHE is a long, branching FILAMENTOUS structure of a fungus, oomycete, or actinobacterium. In most FUNGI, hyphae are the MAIN mode of vegetative GROWTH, and are collectively called a mycelium.

After the filtration in kidney the waste material (URINE) is PASSED through a pair of tubes CALLED URETER which take the urine from kidneys to the urinary BLADDER

Nikola Tesla is the BEST but all scientists is best..

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CaO+H2O ---> Ca(OH)2 +HEAT

COMBINATION reaction

Heat is also evolved. So it is also exothermic reaction.

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Newton realized that the REASON the planets ORBIT the Sun is related to why objects fall to Earth when we drop them. The Sun's gravity pulls on the planets, just as Earth's gravity pulls down anything that is not HELD up by some other force and KEEPS you and me on the ground.

Below you could see characteristics of viruses

>>    They are enclosed in a protective envelope.

>>   They have SPIKES, which helps them to attach to the host cell.

 >>  They are NON cellular.

 >>  They do not RESPIRE, do not metabolize and do not grow but they do REPRODUCE.

>>   They contain a protein coat called the capsid.

  >> They have a nucleic acid core containing DNA or RNA.

>>    Ribosomes and enzymes are absent, which are NEEDED for metabolism.

  >> They are considered both as living and non living things, as viruses are inactive when they are present outside of host cells and are active in side of host cells. As they make use of raw materials and enzymes of the host cell to reproduce and causes several infections.

Since. the given vector F = 4I^ - 3j^

Suppose the perpendicular vector is ai^ + bj^

actually actually vectors 4i^ - 3j^ and ai^ + bj^ are perpendicular to each other. . So, the ANGLE between both the vectors will be 90 o.

So, (4i^ - 3j^) . (ai^ + bj^) = 0

or 4a - 3b = 0

or a/b = 3/4.

So, the perpendicular vector will be (3I^ + 4j^)

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Most of the METALS get oxidied when exposed to oxygen and HUMIDITY, which required the removal of oxidized materials from the metal surface, and the process is called polishing.

Moreover, polishing is often USED to ENHANCE the appearance of an item, prevent contamination of instruments, remove and BLOCK further unwanted oxidation, create a reflective surface and prevent further corrosion.

heya,here is answer

Carbohydrates our present in food are BROKEN down to form glucose. This glucose combines with Oxygen in the cells of our BODY and provides energy. This reaction is KNOWN as respiration. Hence, respiration is CONSIDERED as an exothermic reaction.

can you PLS ELABORATE the QUESTION

PLS ELABORATE the QUESTION

Because to PRODUCE HEAT ENERGY