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The ALTITUDE of the lower BOUNDARY of the exosphere varies. When the Sun is active AROUND the peak of the sunspot cycle, X-rays and ULTRAVIOLET radiation from the Sun heat and "puff up" the thermosphere - RAISING the altitude of the thermopause to heights around 1,000 km (620 miles) above Earth's surface. Explanation:

tion:Energy conservation is the effort made to reduce the CONSUMPTION of energy by using less of an energy SERVICE. This can be achieved either by using energy more efficiently or by reducing the amount of service used. Energy conservation is a PART of the CONCEPT of Eco-sufficiency.

Here is your ANSWEREXPLANATION:ANYWAY, the basic REASON why the planets REVOLVE AROUND, or orbit, the Sun, is that the gravity of the Sun keeps them in their orbits. Just as the Moon orbits the Earth because of the pull of Earth's gravity, the Earth orbits the Sun because of the pull of the Sun's gravity.

catsExplanation:it's my PLEASURE to HELP you PLEASE MARK me as a BRAINLIEST.

The TERM soil BIOLOGY, the study of organism GROUPS living in soil (plants, lichens, algae, MOSS, bacteria, fungi, protozoa, nematodes, and arthropods), predates soil ecology, the study of interactions between soil organisms as mediated by the soil's physical environment.

manyExplanation:it's my PLEASURE to HELP you PLEASE MARK me as a BRAINLIEST.

our EARTH GETS the LIGHT from the sunExplanation:CORRECT

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Rest and motion are relative terms. In SIMPLE terms, an object that CHANGES its position is SAID to be in motion while the opposite ACTION causes an object to be at rest.

be TOXIC as it can CAUSE FATIGUE in our BODY .

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The DOG has a CHUNK of skeletal muscle attached to the skull with a few tendons at the tip of its SNOUT bone which also AIDS in sniffing out prey. ... The frog has a quadratojugal (cheekbone) in the skull that is MUCH flatter and smaller than thatof the dog to help the frog chew on its prey easily.

5 MAJOR Water Pollutants MICROBIAL. PATHOGENS can be bacteria, protozoa or viruses. ... ORGANIC MATERIAL. Organic materials are THINGS like petroleum, insecticides and herbicides, detergents, disinfecting cleaners, and prescription drugs. ... INORGANIC MATERIAL. ... MACROSCOPIC. ... THERMAL.Explanation:please mark me as brainliest

chemical EXPLANATION:it's my PLEASURE to help you PLEASE mark me as a brainliest.

tion:Breathing and Respiration are involuntary actions that are inevitable. These actions are essential for living organisms in order to survive in this world. If we look at it scientifically, breathing and respiration are two distinct activities which the BODIES of living organisms PERFORM. However, in our day to day life, we USE both the terms interchangeably. It is easy to get confused because the organs which we use to breathe and respire are the same as lungs, nose, and more. Moreover, it also happens because both of them require the involvement of oxygen. But, it becomes essential to understand the difference between breathing and respiration to LEARN their meaning. THUS, we will take a look at their definitions first to get a better idea.hope it helps you ❤️

tion:Explanation:Hey user!!Answer:These activities include loosening the soil, seeding, special WATERING, moving PLANTS when they grow bigger, and harvesting, among OTHERS. The main steps for agricultural practices include preparation of soil, SOWING, adding manure and fertilizers, IRRIGATION, harvesting and storage.

It is the ORGANIC matter COMPONENT of soil, consisting of plants and animal detritus at VARIOUS stages of decomposition.hoped HELP you

tion: ANSWER IS HERESoil is full of life. It is often said that a handful of soil has more living organisms than there are people on planet Earth. Soils are the stomach of the earth, consuming, digesting, and cycling nutrients and organisms.On first observation, however, soil may APPEAR as a RATHER inert material on which we walk, build roads, construct buildings, and grow plants. On closer observation, we observe that soil is teeming with living organisms. Living organisms present in soil include archaea, BACTERIA, ACTINOMYCETES, fungi, algae, protozoa, and a wide variety of larger soil fauna, including springtails, mites, nematodes, EARTHWORMS, ants, insects that spend all or part of their life underground, and larger organisms such as burrowing rodents. All of these are important in making up the environment we call soil and in bringing about numerous transformations that are vitally important to life.HOPE YOU UNDERSTAND ☺✨✨✨✨

waste water and EXCREMENT CONVEYED in sewers."SEWAGE TREATMENT"

“Measurement” is the ACT of determining a target's SIZE, length, weight, capacity, or other aspect. ... To use measurement tools as necessary. It is ALSO appropriate to say that measurement is done by a worker USING a measurement system, and instrumentation is done by a technician.i am here

In animals, the main EXCRETORY PRODUCTS are carbon dioxide, ammonia (in ammoniotelics), UREA (in ureotelics), uric acid (in uricotelics), GUANINE (in ARACHNIDA) and creatine.

tion:The equation for the reaction that produces the IRON sulfide is: FE + S → FeS (heat) Page 2 Maine Geological Survey | 2 One ATOM of iron (or a million atoms of iron) and one atom of SULFUR (or one million atoms of sulfur) react with heat to make one molecule of iron sulfide (or a million MOLECULES of iron sulfide).

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this the ANSWER PLS MARK as brainlestExplanation:5x²-[3Y-(x²+7y-3x²)+6Y]5x²-[3y-(-2x²+7y)+6y]5x²-[3y+2x²-7y+6y]5x²-3y-2x²+7y-6y3x²-2y

The ORDER of the planets in the solar system, starting nearest the sun and working outward is the following: Mercury, VENUS, Earth, Mars, Jupiter, Saturn, Uranus, NEPTUNE and then the POSSIBLE PLANET Nine. If you insist on including Pluto, it would come after Neptune on the list.

tewater from RESIDENCES and INSTITUTIONS, carrying bodily wastes (primarily feces and urine), washing water, food preparation wastes, LAUNDRY wastes, and other waste products of normal living, are classed as DOMESTIC or SANITARY sewage.

do itPrep For Planting. Prepare nursery containers by filling small pots or cell PACKS with premoistened soilless medium. ...Dip Into Rooting Hormone. Encourage root growth by dipping the cut end into POWDERED rooting hormone. ...CREATE A Hole For Planting. ...Place Stem Cutting. ...Create Humidity. ...Check The ROOTS.

chemical ENERGY is USED for preparing food Explanation:PHOTOSYNTHESIS

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planetExplanation:our EARTH is a PLANET

ge and elongated leaves (up to 1 m long and 1.5-5 CM wide) have a prominent central vein. its seed-heads are large BRANCHED, leafy, panicles that consist of numerous pairs of elongated flower clusters (4-9 cm long). its 'seeds' (7-9 MM long) are quite hairy and have a large, BENT and twisted, awn (1-4 cm long).

The iron BLADE of soil digging tools has a ring in which the WOODEN handle is fixed. NORMALLY, the ring is SLIGHTLY smaller in size than the wooden handle. To fix the handle, the ring is heated and it becomes slightly larger in size (EXPANDS). Therefore, the handle easily fits into the ring.

Unicellular organisms are made up of only one cell that carries out all of the functions needed by the organism, while MULTICELLULAR organisms use many different cells to function. ... Multicellular organisms are COMPOSED of more than one cell, with GROUPS of cells differentiating to take on SPECIALIZED functions.