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is the ultimate source of almost all kinds of energy on EARTH, either directly or indirectly. Fossil fuels (coal, oil and GAS) are the transformed forms of plants (and animals) which once lived on the earth and grew CAPTURING the energy of the sun. Biomass is a product of photosynthesis where the sun has the major role.Solar energy is increasing becoming an important source of renewable energy. Hydro-electricity depends upon the water cycle which again is dependent on solar radiation. Similarly, wind energy, TIDAL power, wave power all, in some way or other, and depend on the sun.

state gland is a male reproductive organ whose mainfunction is to secrete PROSTATE FLUID, one of the components of semen. The MUSCLES of the prostate gland also help propel this seminal fluid into the urethra during EJACULATION .AUG 9, 2010

ting POINT (or, RARELY, liquefaction point) of a substance is the temperature at which it changes STATE from solid to liquid. At the melting point the solid and liquid phase exist in equilibriumPhysical 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.

70 KILOMETERS which is equal to 1 ASTRONOMICAL Uni - AU

BE TESTED IN LABORATORY USING LITMUS PAPERPLEASE MARK ME AS BRAINLIEST AND FOLLOW ME

and ROASTING

120Hg is the NORMAL BP

velocitythese are the only TWO VECTOR QUANTITY.........

l weathering, also known as mechanical weather, is the process of rocks and minerals on Earth's surface breaking down or dissolving as a result of water, ice, salt, plants, animals or changes in temperature. Physical weathering does not change the chemical composition of the rock, just cracks and crumbles it into smaller pieces. After a rock has weathered, erosion occurs, transporting bits and pieces away. Finally a deposition process deposits the rock particles in a new place. Animals that burrow underground, such as moles, gophers or EVEN ants, can also CAUSE physical weathering by loosening and breaking apart rocks. Dens and tunnels are signs of this type of weathering. Other animals dig and trample rock on the Earth's surface, CAUSING rock to slowly crumble apart. This process exposes new parts of the rock to the elements, making them susceptible to other types of weathering, such as chemical weathering.Plants can cause physical weathering as their roots grow. Seeds of plants or trees can grow inside rock cracks where soil has collected. The roots then put pressure on the cracks, making them wider and eventually splitting the rock. Even small plants can cause this kind of weathering over time.Hope it helps plz mark it as BRAINLIEST

ropic form of NUTRITION...Here these ORGANISMS cannot PRODUCE their own food they directly or indirectly DEPEND on autotropes..

rting oxygen and nutrients to the lungsand TISSUES. forming blood clots to prevent excess blood loss. CARRYING cells and ANTIBODIES that fight infection. bringing waste products to the kidneys and LIVER, which FILTER and clean the blood.

s that the PUSH or pull SOMETHING ....I KNEW only these .....I hope it HELP you

is the GAP between the nerve is known as synapse ......I KNOW only this ...,I hope it HELP you... I THINK that the msg is transmitted by nerve to BRAIN ....

earThese neurons COULD report temperature better. ... This is MADE up of things LIKE nerve endings, touch receptors and receptors for temperature called Thermoreceptors which lie just under our skin. It's THOUGHT that the mammalian nervous SYSTEM has separate thermoreceptors in our skin for either warmth or cold.

e here is ur ansMethod 1 Creating a More Frictive SurfaceCreate a “rougher” or more adhesive POINT of contact. ...Press the two surfaces together harder. ...Stop any relative motion. ...REMOVE lubrication between the two surfaces. ...Remove wheels or bearings to CREATE sliding friction. ...Increase the FLUID VISCOSITY.

s USED to CONVERT into ANOTHER

The answer to this QUESTION is option ‘D’. When the vandals set fire to the landfill wastes that are often FLAMMABLE, MANY toxic gases are produced that pollute the environment.  It has become one of the major concerns for the environmentalists to control this NUISANCE so that the people of the world breathe FRESH air. Plastics and petroleum by-products are one of the major concerns for environment pollution as they are not biodegradable.

E YOUR ANSWER IS HERE.,FE2O3+ 2Al = Al2O3 + 2Fe THIS REACTION SPECIAL NAME IS THERMIT REACTION. AND IT USED TO JOIN THE CRACKS ON RAILWAY LINE. I HOPE THIS WILL HELP YOU... PLS MARK AS BRAINLIEST.

your ANSWER if you LIKE this then MARK as BRAINLIST

MATE ❤️❤️❤️ HERE IS UR ANSWER...ORESTED IS THE UNIT OF MAGNETIC FLUX..ALSO KNOWN AS TESLAHOPE THIS WILL HELP YOU ❤️ ❤️STAY BLESSED ❤️ ❤️

energy is the energy of electromagnetic waves. The TERM is most commonly USED in the fields of RADIOMETRY, SOLAR energy, HEATING and lighting, but is also used less frequently in other field.

A will have longer LENGTHS of FOAM as it is normal water.But, sample B is hard water, i.e., it has SALTS of elements like calcium, ETC.. Thus, soap water will form scum in sample B.Cheers!

ge becoz AG is LESS REACTIVE than Cu

ectric POWER

e here is your NATURAL resources are basically water,fossil FUELS and wildlife .If we take coal exploitation it causes 1. Reduction of fossil fuels which will take millions of YEARS. 2.Burning of fossil fuels which RELEASES car-bondioxide , which is very harmful to the human and environment. Hunting animals for their tusks. These things can unbalance the ecological balance of environment and also the food chains could demolish entire environment.THANK YOU. HOPE it will help you.

tion: The reaction of COPPER sulphate in aqueous state and potassium iodide in solid state produces CUPROUS iodide as a precipitate, liberates iodine gas and FORMS potassium sulfate in aqueous state.The balanced chemical equation is:2CuSO4+4Kl gives rise to 2K2SO4+CU2I2+I2I HOPE this information will HELP you.

re built on hospital entrances so that people who are DISABLED and USE wheelchair can COMFORTABLY get in the hospital. the stairs are usually not COMFORTABLE for wheelchair USERS as other people have to lift the wheelchair in order to get in the hospital.

gestion starts in the mouth, the SALIVA present in the mouth helps to break down the food into smaller compounds by CHEWING. In the stomach the food is partially digested by churning and after then its MIXED with the acids present in the stomach for further digestion.after going through the stomach the food enters small intestine where many digestive enzymes present in the inner wall of small intestine help in the BREAKING down of the food and in the small intestine the digestion of food is COMPLETED.

of electricity=1000 WATT hourTime TAKEN by 40 watt bulb to consume 1000 Watt hour =1000/40 hour=25 HOURS.

precious because it is beautiful. It is a gift of God that he GAVE us. Life is precious because it is so FRAGILE that it can be EASILY taken away. It leads to friendship, LOVE, and even more.please Mark this answer as Brainliest....

d Answer: Crocodiles have all other features of reptiles LIKE they have dry scaly skin, LAY eggs and are COLD blooded animals. Therefore though they have four chambered heart unlike other reptiles, they are CONSIDERED as reptiles only.

potsmall portion of the VISUAL field of each eye that corresponds to the position of the optic disk (also known as the optic nerve head) within the retina. There are no PHOTORECEPTORS (i.e., rods or cones) in the optic disk, and, therefore, there is no image detection in this area.YELLOW SPOT This is a yellow oval spot at the CENTER of the retina (back of the eye). It is the PART of the retina that is RESPONSIBLE for sharp, detailed central vision (also called visual acuity). ... These are the light-sensitive cells in the retina that give detailed central vision.The yellow spot or macula is an oval yellow spot near the centre of the retina of the human eye. It has a size of 1.5 millimeters. It is specialized for seeing things with highest clearness or visual acuity.I HAVE WRITTEN IT BY MYSELF PLEASE MARK IT AS THE BRAINLLIST IF IT WILL HELP YOU in this figure the encircling area shows the blind spot and yellow spot........................

are standing still on the ground , our body forms a 90° angle with the ground . If any force ACTS at right angles to the direction of motion of a body , then the angle between the direction of motion and direction of force is 90° . Now , cos 90° = 0 , so the component of force , F cos 90° , ACTING in the direction of displacement becomes zero and hence the work done ALSO becomes zero . Since , work done and ENERGY are equal in all CASES , Therefore , potential energy = 0

man infections are caused by EITHER BACTERIA or viruses. Bacteria are tiny single-celled organisms, thought by some researchers to be related to plants. They are among the most successful life forms on the planet, and range in habitat from ice slopes to deserts. Bacteria can be beneficial – for instance, gut bacteria help us to digest food – but some are responsible for a range of infections. These disease-causing VARIETIES are called pathogenic bacteria. Many bacterial infections can be treated SUCCESSFULLY with appropriate antibiotics, although antibiotic-resistant strains are beginning to emerge. Immunisation is available to prevent many important bacterial diseases. A virus is an even smaller micro-organism that can only reproduce inside a host’s living cell. It is very difficult to kill a virus. That’s why some of the most SERIOUS communicable diseases known to medical science are viral in origin.

the equation you need to use: v = (3RT) / M You may, if you wish, read more about the above equation here. The basic idea is that, if you CONSIDER each gas molecule's VELOCITY (which has components of both speed and direction), the average velocity of all gas molecules in a sample is zero. That stems from the fact that the gas molecules are moving in all directions in a random way and each random speed in ONE direction is cancelled out by a molecule randomly moving in the exact opposite direction, with the exact same speed (when the gas sample is considered in a random way). So, what you do is square each velocity, which gets rid of the negative sign (molecules moving in one way have a positive sign for their direction, those moving in the opposite direction have a negative direction). You then average all of these squared values and take the square root of that average. It's CALLED a 'root mean square' and technically, it is a speed, not a velocity. However, in chemistry, we ignore the distinction between speed and velocity and use velocity. Some necessary information: R = 8.31447 J mol¯1 K¯1 M = the molar mass of the substance, expressed in kilograms Look at how the units cancel in v = (3RT) / M Example #1: Calculate the rms speed of an oxygen gas molecule, O2, at 31.0 °C Solution: v = (3RT) / M v = [(3) (8.31447) (304.0)] / 0.0319988 v = 486.8 m/s Here is the above set-up done with units: v = [(3) (8.31447 kg m2 s-2 K-1 mol-1) (304.0 K) / 0.0319988 kg/mol Remember that kg m2 s-2 is called a Joule and that the unit on R is usually written J/K mol. The more extended unit of J must be USED in this particular type of problem. Example #2: What is the ratio of the average velocity of krypton gas atoms to that of nitrogen molecules at the same temperature and pressure? Solution path one: 1) Let us determine the velocity of Kr atoms at 273 K: v = (3RT) / M v = [(3) (8.31447) (273)] / 0.083798 v = 285 m/s 2) Let us determine the velocity of N2 atoms at 273 K: v = [(3) (8.31447) (273)] / 0.028014 v = 493 m/s 3) Let us expresss the ratio both ways: N2 : Kr ratio = 493 / 285 = 1.73 to 1 Kr : N2 ratio = 285 / 493 = 0.578 to 1

hermal energy is costly to transport as plants are located far AWAY from the cities.2. It is suited to a specific region.3. It may RELEASE harmful gases.4. It has HIGH installation COSTS. ❤️

ncave MIRROR and a converging lens will only PRODUCE a real image if the object is LOCATED beyond the focal point (i.e., more than one focal LENGTH away)2) A concave mirror and a converging lens can produce an upright image and image reduced in size, but never one which is both upright AND reduced in size