Spacecraft images of the nucleus of Comet Halley show jets of gas and dust emanating

Q: What principle is shown in this image? Cross-cutting Inclusions Superposition O Original horizontali...

A: The Earth is the third planet in the solar system, and it is a terrestrial planet. Therefore, the ea...

Q: What are the most prominent current environmental threats?

A: The environment is composed of all living and non-living things. The term is often used to describe ...

Q: Spacecraft photos revealed active volcanoes on the surface of Jupiter’s moon   a. Callisto.  ...

A: Jupiter collectively has 79 moons as per the scientists, a few of which are giant ones and few small...

Q: The craters on the lunar surface were produced by   a. volcanic activity.   b. subsurface er...

A: Moon is the only natural satellite of earth. When seen from earth it appears to be a grey surface wi...

Q: Which of the following is NOT one of the four stages in the development of a terrestrial planet? ...

A: Terrestrial planets first 4 innermost planets in solar system which is mercury, Venus earth and mars...

Q: Discuss the mechanisms by which no-till farming would store more C in the soil.

A: Soil disruption is negligible or minimal when using no-till farming techniques. The top layer is tur...

Q: According to the accretion theory, short-lived radioactive elements generated heat and caused the in...

A: According to accretion theory, before the Earth formed, the solar system was a solar nebula which is...

Q: Earth’s magnetic field is the result of electric currents produced by   a. the interaction of Ea...

A: Earth is the third planet in the solar system, which is a gravitationally bound system around the Su...

Q: The discovery of Charon around Pluto enabled astronomers to determine Pluto’s   a. chemical comp...

A: During the discovery of Charon in 1978, it was thought that Charon is a moon of Pluto. But, it later...

Q: The Widmanstätten patterns found in some meteorites show that the material   a. cooled very slow...

A: Option a is the correct answer.

Q: The icy rings of Saturn are most likely not composed of particles left over from the formation of th...

A: The rings of Saturn have particles that vary in scale from small ice grains the size of pollen to pi...

Q: Which of the following supports the contention that the Martian crust is NOT divided into moving pla...

A: The Martian crust is the layer of land of the land of Mars. This is the surface of rock material tha...

Q: The extreme size of volcanoes on Mars indicates that   a. Mars has a much thicker crust than Ear...

A: Mars has a similar size to earth and it also contributes several surficial features depicting that t...

Q: On topographic maps, how is a steep slope represented?     By contour lines that are close tog...

A: Contour line are drawn on map which connect point of equal elevation, these lines are always paralle...

Q: Briefly describe the evidence that suggests the existence of extrasolar/exosolar planets.

A: Extrasolar or even exosolar planets are the celestial bodies or planets that do not exist in our sol...

Q: Identify what type of rock belongs to the rock in the photo (igneous, sedimentary or metamorphic roc...

A: Rock is aggregate of mineral, sediment and other rock particle which is solid naturally occurring sh...

Q: Earth's magnetic field has reversed polarity multiple times throughout the history of the Earth. Res...

A:   Our world, Earth, has a magnetic field of its own. A magnetic field on an electrically charged par...

Q: Mars has sufficient mass and a low enough temperature that water molecules could exist in its atmosp...

A: Observational studies of the surface of Mars have revealed that in the recent past, the mars had wat...

Q: One of the criticisms of the condensation hypothesis of the formation of the moon is that   a. t...

A: The solar system is the gravitationally bound system around the sun. There are 8 planets, many natur...

Q: What type of weathering is shown in this image? Dissolution Freeze thaw Abrasion Root wedging

A: Earth is a terrestrial planet, meaning has a rocky solid surface. Many physical processes shape the ...

Q: What are the similarities and differences between the surfaces of Mercury and the moon?

A: The solar system consists of planets which revolve around the star Sun. The planet Mercury is the fi...

Q: What kind of life style is shown in this image? O Nektonic Planktonic Pelagic Benthic

A: Earth science is the study of the Earth and the various processes that are going on in the Earth sys...

Q: The image above shows a barrier island, looking from the open ocean towards land. In the above image...

A: ocean current is a predictable known continuous directional motion of ocean water which are wind dri...

Q: What type of symmetry is shown in this image?

A: Symmetry of an organism is uniformity in body parts on a plane around an axis. Symmetrical organism ...

Q: Which of the following planets has its axis of rotation tipped the most?   a. Uranus   b. Ne...

A: The axis is an invisible-line that can be found around when an object-rotates and spins. As each pla...

Q: Follow direction of the image and choose the correct answer

A: Option B will be the correct answer.

Q: Why do the atmospheres of Uranus and Neptune appear blue?

A: Uranus is 7th planet in the solar system and is 3rd largest planet with respect to radius. It is als...

Q: Compare and contrast the following. a. Population vs community b. predation vs parasitism c. compet...

A: The Earth is made up of four spheres known as lithosphere, atmosphere, hydrosphere, and biosphere. A...

Q: If a large comet struck Earth,   I.   large amounts of molten rock would rain down on Earth and caus...

A: The impact of a comet approaching Earth is dependent on the size of the comet. Most comets are small...

Q: What is a lake? Are lakes temporary or permanent? Explain. Give one example and explain how it fits ...

A: The Earth system is composed of four other sub-systems, namely the atmosphere, hydrosphere, biospher...

Q: The planets all lie in nearly the same plane resulting in a disk-like structure for the solar system...

A: Solar system is a system of the sun and all the object which orbit it directly (planets asteroid com...

Q: What are the variables for sustainability for water use?

A: Sustainable water management includes the use of water in such a way that meets current ecological ,...

Q: The formation of a dense metallic core and a silicate mantle topped with a lighter silicate crust, d...

A: Earth is a terrestrial planet, meaning it has a rocky surface that is primary made up of silicate ro...

Q: With the help of a globe or map, name specific countries where the following biomes can be found. a....

A: The tundra biome is one of the world's largest biomes and is characterized by a high level of rainfa...

Q: What are the top 3 hazards posed by alien invasive species?? Support your answer with examples of in...

A: Alien invasive species are organisms that are non-native to an ecosystem and they may cause harm to ...

Q: The interior of Saturn is mostly liquid. As a result, the planet’s rapid rotation produces   a. ...

A: The 6th planet from the sun is Saturn. It is the solar system's second-largest planet.  Saturn's rin...

Q: The greenhouse effect occurs because   a. carbon dioxide is transparent to visible light and opa...

A: The greenhouse effect is a natural phenomenon that causes the earth's surface to become warmer. The ...

Q: Discuss the mechanisms by which no-till farming would store more C in the soil.

A: While operating on no-till farming methods, soil destruction is marginal or limited. In conventional...

Q: Follow direction of the image and choose the correct answer

A: The Earth comprises various kinds of materials. Each of these materials has different physical prope...

Q: The surface of Venus has been studied   a. using radar maps made from Earth.   b. using rada...

A: Venus is a very hot planet with perpetual cloud cover.  So, exploring the planet Venus is very diffi...

Q: Briefly describe the four stages of planetary development.

A: The solar system is the gravitationally bound system around the sun. There are 8 planets, many natur...

Q: Circumstellar disks in which planets seem to form have   a. been detected by X-ray telescopes. ...

A: Ever since the beginning of the Universe, matter and energy were created. These matters and energy e...

Q: Discuss the mechanisms by which no-till farming would store more C in the soil

A: Soil is the uppermost layer of the Earth. It is composed of minerals, organic matter, water, air, li...

Q: That Mercury has a large iron core is evidenced by   a. the large lobate scarps.   b. the la...

A: Ever since the beginning of the universe, matter and energy were created. These matters and energy e...

Q: Protoplanets   a. grew in size primarily by accretion.   b. grew in size primarily by conden...

A: Protoplanet originates within protoplanetary disc. It has differentiated interior due to internal me...

Q: An occultation of a star revealed that both Uranus and Neptune had rings. However, the rings of thes...

A: The rings of Uranus are narrow ribbons separated by wide gaps and contain much less mass. The inner ...

Q: Evidence of liquid water existing in the Martian past was found by the discovery of   a. meander...

A: Today all the water on Mars is ice, although it is small enough to evaporate into the atmosphere. Sh...

Q: What type of biome do you live in or near? What effects have human activities had on the characteri...

A: There are several biomes present all over the world. The flora and fauna present in these regions ar...

Q: Instructions: From these five factors affecting climate, choose one particular factor you agree that...

A: In my area the climate is affected by the latitude and presence of water body near it. As I live in ...

Q: ASYNCHRONOUS: 1. S-Wave travel time is 4 mins. . . How far does it travel in this time? 2. How long ...

A: Earthquake is sudden shaking of earth’s crust due to release of energy in the Earths lithosphere whi...