Spring and Autumn (Fall) are called____because they have the same number of daylight hours as nighttime hours. -Solstices -Equinoxes -Tropics of Cancer and Capricorn

Q: What causes wind?

A: The wind is defined as air in motion. It is the largescale flow of air. Winds are classified accordi...

Q: The fundamental force responsible for bringing gasses together to form stars is: gravity electromagn...

A: The fundamental force responsible for bringing gases together to form stars is gravity.  

Q: What are environmental consequences of urban growth in developing countries?

A: Urban growth is defined as an increase in urban land cover.

Q: What general climatic and oceanographic conditions characterized the mid-Cretaceous world?

A: It is now a well-known fact that the climate of the earth has varied in the geological past. Indirec...

Q: Question 11 Use the satellite images below to help you answer the following questions. Note that dar...

A: Mount Pinatubo is an active volcano in Philippine. In volcanic eruption, several gases escape from i...

Q: Which latitude (north or south) receives the most intense solar energy on June 21-22?

A: A solstice is a day when the Sun reaches its maximum or minimum declination. There two solstice days...

Q: ways on how to mitigate and lessen the effects of soil erosion Own explanation

A: Soil erosion refers to the weathering or removal and the transportation of the topsoil from the Eart...

Q: Is the discovery of new sources of oil keeping up with oil use? Is oil being made (by natural proces...

A: Oil or petroleum is the black color liquid crude found naturally in rocks. It is formed from the the...

Q: Why would populations with higher genetic biodiversity have a better chance of surviving the sudden ...

A: Genetic biodiversity among a population essentially means that the organisms of the population posse...

Q: 1. a-     b-

A: 1) The cooling and crystallization of magma is a complex chemical process where several silicate min...

Q: (T/F) A fault is where two sections of the Earth's lithosphere can move past one another.

A: The outer shell of the earth consists of denser oceanic crust and lighter continental crust and whic...

Q: In general, how do surface temperatures vary from the equator toward the poles? What is the likely c...

A: The sun is the ultimate source of energy on the earth. The heat from the sun is not distributed unif...

Q: Describe the types of harmonious contacts that can develop between two rock units of different ages ...

A: The contact is a planer feature that separates one rock body from another. The contact can be planer...

Q: Arrange the pictures from billion years ago up to the present time by writing numbers from 1 (oldest...

A: Paleontology is the field of study in which the evolution of organisms is studied. Since the beginni...

Q: 5 Heat speeds up a chemical reaction. Why then does chemical proceed slowly in a hot desert?

A: Weathering is a process that leads to the wearing and tearing of the rock layers present on the surf...

Q: Describe the change in grain size from slate to Phyllite to schist.

A: Metamorphism can be understood as a process in which preexisting rock alters due to temperature pres...

Q: Imagine that you are a scientist studying two stars. Star A has an apparent magnitude of -1.5 and ...

A: Star are celestial object with their own luminescence. the nearest star to earth is the sun. the dis...

Q: A student is concerned with the amount of air pollution students are exposed to in the school’s park...

A: As the amount of air pollution caused by a certain vehicle depends on the amount of particulate matt...

Q: 23492U decay by spontaneous emission to 23493Np(i.) What decay process has occurred?(ii.) How does t...

A: When 23492U  decays by spontaneous emission to 23493Np, the atomic number has increases by 1, it mea...

Q: Describe one landform on Long Island that was formed due to glacial erosion and how it came to be.

A: The glacial landform on Long Island is glacial moraine. The unstratified glacial deposits are termed...

Q: (a.) Describe an experiment to investigate how the intensity of gamma rays varies with distance from...

A: The gamma ray radiation follows the inverse square law according to which the intensity of the radia...

Q: Fine texture Soil structure is ------for plant root O poor not good O good

A: There are three types of soil texture- coarse, medium and fine.  Fine or clay soil consists of small...

Q: How do sea breezes and land breezes form?

A: A light cool wind is known as the breeze. Usually, breeze occurs near coastal areas. Breeze is a lig...

Q: 8.You are given the Gamma-Ray log on a well which has been drilled through a siliciclastic sequence....

A: The natural radioactivity in the formations is identified by Gamma-ray logs or GR logs. These logs a...

Q: Why do El Niño and La Niña events cause opposite weather climates around the world?

A: Climate is a long term average weather whereas weather is state of atmosphere and other meteorologic...

Q: 7. What are the characteristics of mafic magmas (silica content, temperature at eruption, viscosity,...

A: Magma generated inside the Earth by the melting of solid rocks has different compositions. Broadly s...

Q: Glider pilots in the Midwest know that thermal updrafts are likely to occur in the vicinity of fresh...

A: Air’s density is a function of temperature. When the temperature rises the density of air decreases ...

Q: Home work: from test data of infiltration experiment, D = 2.5 cm @ t= 15 minute and D = 8 cm @ t= 10...

A: Depth of infiltration, D = 2.5 cm Time taken to infiltration = 15 minute 1) The base rate of infiltr...

Q: Compare and contrast the iceberg water with the ocean water ?

A: An iceberg is a huge chunk of ice broken off from a glacier or some ice sheet and floating on the wa...

Q: Why there are different types of soil on the earth?

A: Soil is the thin upper layer of continental crust. The formation of soil is very slow process and in...

Q: How does the ocean’s density stratification limit the vertical movement of seawater?

A: The earth is known as the blue planet because the ocean covers it by 71%. Many ions dissolved in the...

Q: Which evidence supports the big bang theory? the existence of cosmic microwave background radiation ...

A: The Big Bang Theory states that everything was situated in a single, unified, dense point which expl...

Q: Describe the main erosional processes of each of the following:-a). Wind erosion b). Sea erosion c)....

A: Erosion is a natural geologic phenomenon where the materials from the Earth are worn down and transp...

Q: Both water and oil are liquid.Water boils, oil fries.Why the difference??

A: Oil and water both are liquid. But the only difference that makes water to boil and oil fry is the d...

Q: (a) 8.0mg of a radioisotope of half-life 30 minutes is used for 12 minutes.(i.) Explain the underlin...

A: Radioactivity is the phenomenon by which the unstable nucleus emits energy and particles to form dau...

Q: An earthquake occurred in southern Ghana, notably in and around Accra on Wednesday June 24, 2020 at ...

A: Earthquake is vibration of the surface of earth caused by the elastic nature of rock or earth crust ...

Q: How do modern navigators find their position at sea?

A: Navigation enables mariners to locate their position and travel from one place to another place. The...

Q: When a rainy season causes discharge to increase, what happens to stream gradient? To stream length?...

A: Streams are the water bodies that flow along a particular path or channel, carrying sediments and di...

Q: The potassium atom 4219K has a half-life of 12hr, and disintegrates with the emission of a γ -ray to...

A: Radioactive decay is a breakdown of an unstable atomic nucleus to release energy and to produce a da...

Q: About how long does it take a net forcing of 2 Wm-2 to raise the average temperature of the top 100 ...

A: Heat capacity of the ocean, Co = Specific heat of ocean for some depth In equation form, Co=ρw.Cw.dw...

Q: tim is throwing the ball what is the action verb

A: Action verb: It is the verb that explains physical or mental action. Here the sentence is 'Tim is th...

Q: Number three choose the correct word to complete the sentence

A: Properties of air are controlled mainly by an essential factor and, i.e., temperature. The earth's a...

Q: Is the amount of precipitation and evapotranspiration over the continents the same? explain.

A: Precipitation is the primary input to hydrology. Factors determining precipitation or atmospheric mo...

Q: What are three Milankovitch cycles?

A: Milankovitch cycle describes the effect of changes in the Earth's movement on its climate over time....

Q: How is a forced wave different from a free wave?

A: Waves are a disturbance in the sea or ocean surface water, in the form of a moving ridge or swell.

Q: Match the description or compound with the correct term. carbon dioxide [ Choose ] [Choose] nitrogen...

A: A primary pollutant is an air pollutant that is directly emitted to the atmosphere from the source, ...

Q: Can you think of any way to prevent a cataclysmic asteroid or comet impact once the object’s path ha...

A: Asteroids and comets are extraterrestrial materials that come within Earth's atmosphere occasionally...

Q: Which hemisphere, northern or southern, receives the most intense solar energy on December 21-22?

A: Due to the tilt of the Earth's axis, the Earth experiences various seasons. Due to the Earth's tilt,...

Q: In geological cross-section without scale given below; a)Between what rock units is there a mismatch...

A: a) The mismatch occurred between C and E rock units. That is in between the Limestone beds of C and ...