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Chemical WEATHERING takes place when water, oxygen, carbon dioxide, and other chemical SUBSTANCES REACT with ROCK to change its composition.Explanation:mark this answer as BRANLIEST

Acid rain, or acid deposition, is a broad term that includes any form of precipitation with acidic COMPONENTS, such as sulfuric or nitric acid that fall to the GROUND from the atmosphere in wet or dry forms. This can INCLUDE rain, snow, fog, HAIL or even dust that is acidic.

a plane, and fly to Cape Town, South Africa, or Melbourne, AUSTRALIA — two major cities located in the Southern Hemisphere. There, you won’t be able to see the North Star. This might seem like an expensive trip, but it’s one part of an EXPERIMENT that can be done to disprove the Flat Earth Theory — a theory at the center of a popular new documentary — Behind the Curve — that is now streaming on Netflix. The documentary follows several people who espouse the Flat Earth Theory, which is the belief that the Earth is a plane or a disk, and try to GENERATE support for their cause through Internet videos, social media, podcasts, meetings, and even international conferences. Jason Steffen, an assistant professor of physics and astronomy at UNLV, works in the field of exoplanets (planets that orbit distant stars) and has a history in experimental studies of dark matter, dark energy, and gravity. For more than 10 years, Steffen was also a member of the science team for NASA’s Kepler mission. Discoveries from that mission revolutionized our understanding of planets and planetary systems, Steffen said. As such, he was able to help us break down reasons why the Flat Earth Theory falls flat. OK, so how do we KNOW — scientifically — that the Earth is a sphere? At a very basic level, we can see the Earth’s curvature through satellites that we’ve launched into space. Additionally, through the use of high-powered telescopes, we’ve been able to examine planets both in our solar system and beyond, and all of them are spherical in shape. There is a very deep, fundamental reason why the Earth is round: the force of gravity depends upon the distance between two interacting objects, and the only three-dimensional object you can make with a single distance is a sphere. We can measure the behavior of gravity in the laboratory with a variety of highly sensitive experiments. Each of these experiments shows that the force of gravity depends only on the mass of the two objects and the distance between them. If, on the other hand, you wanted to form a flattened object using gravity alone, the force of gravity would have to depend upon two, perpendicular distances in two perpendicular directions. Now, let’s backtrack to the time before satellites and telescopes. Why did people once think that the Earth was flat? The primary reason that ancient people believed that the Earth was flat was that it looks flat from our vantage point on the ground. Most people throughout history never traveled more than a few miles from their place of birth, so the horizon that they saw was always the same. Moreover, most people were more worried about meeting the necessities of life than they were about the shape of the Earth. The misconception that the Earth must be flat because it looks flat to us arises simply because the Earth is big. The height of an adult is much less than one millionth of the Earth's radius. In order to see the curvature of the Earth in a single field of view, you would need to be perched above the surface a sizable fraction of that radius, and one millionth wouldn't be considered "sizable.” What clues changed their thinking? This state of affairs started to change about 2,500 years ago during the Iron Age, especially with the Greeks. There are two primary reasons that the Greeks knew the Earth was round: Lunar eclipses. First, they saw that during a lunar eclipse the shadow of the Earth always had a round profile. This happened regardless of the time of night that the eclipse occurred, the season, or the direction that the shadow crept across the Moon's surface. The only object that casts a circular shadow no matter how you shine a light across it is a sphere. Any other shape would not be able to cast a round shadow under this variety of circumstances. Star patterns. The second observation is how the pattern of stars changes as you move north and south. If you were to stand at the North Pole, Polaris (the North Star), would be directly overhead. On a flat Earth, Polaris would always be visible — no matter how far away from the North Pole you moved, it would still be above the horizon. However, by the time you reach the equator, Polaris is on the northern horizon, and it disappears entirely once you move into the southern hemisphere. You can't see Polaris from Australia. In fact, the ancient Greeks calculated the circumference of the Earth using this effect and produced an answer that was strikingly close to what we measure today.

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Energy saved is energy generated. We cannot KEEP on PRODUCING non-renewable resources like petrol, diesel and electricity. So the need of the hour is the better utilization of existing resources. ... Population EXPLOSION and use of energy in an uncontrolled MANNER gradually exhausts the world store of fossil energy.please mark brilliant

displacementExplanation:PLEASE MARK it as a BRAINLIEST ANSWER

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where are the PHOTOGRAPHS

tion:The RELATIVE density of gold is 19.3 means that the gold of some specific volume is 19.3 times heavier than it's EQUAL amount of volume of water (4°C). The relative density is the ratio between the density of a given SUBSTANCE and the density of a REFERENCE material.yes it is right

The relative density of gold is 19.3 means that the gold of some specific VOLUME is 19.3 times heavier than it's equal amount of volume of WATER (4°C). The relative density is the ratio between the density of a given substance and the density of a REFERENCE material.ok DEAR no problem I am pari i am also in 7th but you are older than me you can guess my age

The orbital path of the earth AROUND the sun and that of the moon around the earth is not in the same plane. The moon's revolutionary orbit makes an angle of about 5° with that of the earth. Therefore, the sun, the moon, and the earth do not LIE in one and the same line on every FULL moon DAY and NEW moon day.

At an ALTITUDE of 1000m to 2000m, they are the moist temperate FORESTS. These forests contain mixed species of broad-leafed EVERGREEN and conifers trees.pls MARK me BRAINEST

tion:Alcoholism, now known as alcohol USE disorder, is a CONDITION in which a person has a desire or physical need to consume alcohol, EVEN though it has a NEGATIVE impact on their LIFE

রাজনৈতিক প্রতিষ্ঠান হলো সরকার কর্তৃক বিশেষ কার্যাবলী সম্পাদনের ব্যবস্থা। জনগণ ও গণতন্ত্রের উন্নতির জন্য এই কাজগুলো এই প্রতিষ্ঠানগুলোকে দেওয়া হয়েছে। ... নাগরিকদের নিরাপত্তা নিশ্চিত করা এবং সবার জন্য শিক্ষা ও স্বাস্থ্যের সুযোগ -সুবিধা প্রদানের দায়িত্ব সরকারের।Explanation:HOPE my ANSWER helped you, If YES pls mark me as BRAINLIEST

the RED PLANET, that is FOURTH in ORDER from the SUN

water use for COOKING , WASHING vessel , drinking ,bathing etcExplanation:PLZ MARK me as brainlist

Photosynthesis is the process by which PLANTS USE sunlight, water, and carbon dioxide to create oxygen and ENERGY in the FORM of sugar.

tion:❤Mars is SOMETIMES called the Red PLANET. It's red because of rusty IRON in the ground. Like Earth, Mars has seasons, POLAR ice caps, volcanoes, canyons, and weather. It has a very thin atmosphere made of carbon dioxide, nitrogen, and argon.❤

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e that separates day and NIGHT is called the terminatorThe circle that DIVIDES the day from night on the GLOBE is called the circle of ILLUMINATION.

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Mars is the fourth PLANET from the Sun and the second-smallest planet in the Solar System, being larger than only MERCURY. In English, Mars CARRIES the name of the Roman GOD of war and is often referred to as the "Red Planet

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The Earth orbits the sun once every 365 days and rotates about its axis once every 24 HOURS. Day and NIGHT are due to the Earth rotating on its axis, not its ORBITING around the sun. The term 'one day' is determined by the time the Earth takes to ROTATE once on its axis and includes both day time and night timeExplanation:Please mark me as Brainliest

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summer season experiencing MAXIMUM heat.Explanation:HOPE it will HELP you

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To locate a PLACE with RESPECT to ANOTHER, we need the distance between the two places and direction of the place we want to locate from the other place.