45.Which of the following statements regarding floods is true ? Select one a. a 40 - year flood is generally of greater magnitude than a 30 - year flood b. a 200 year flood has a 2 % chance of occurring in any one year c. if there is a 10 % probability of a flood of a certain height occurring in any one year it is called a 10 - year food d . the recurrence interval of a flood of a certain height does not depend upon the width of the flood

Q: From the know signs of before volcanic eruption, can we consider a volcano about to erupt even just ...

A: The discharge of lava and gases from the volcanic vent is called volcanic eruption. In this process ...

Q: 35.If a population of people grew from 10,000 to 10,500 in one year , then the percent increase or a...

A: A population is a group of individuals. A population can be of an entire nation or any community wit...

Q: help

A: Earth is the third planet in the solar system. Moon is the only natural satellite of Earth.And Earth...

Q: 4. Magma in continental arc settings...a. forms from flux meltingb. forms from decompression melting...

A: The molten material found beneath the crust of the earth is known as magma. The magma is present at ...

Q: Show all working explaining detailly each step.

A: Each quantity mentioned is expressed as units, it can be SI unit, CGS unit, or MKS unit. Depending o...

Q: What are the mechanisms by which cover crops and crop residue mulching reduce chemical andwater runo...

A: Cover crops are the type of crops that are only planted to cover the soil. They are not planted to h...

Q: 20. Shield volcanoes...a. would be common at mid-ocean ridge settingsb. would typically be associate...

A: The pioneer about the formation of shield volcanoes is that they arise from volcanic hot spots in th...

Q: 28.In cities , storm sewers are installed to keep water from flooding streets during heavy rains , a...

A: Strom sewers or storm drains are designed infrastructures in urbanized areas. They allow excess wate...

Q: Complete the following chart for the different theories associated with the origin of life. (You can...

A: Origin of a thing is a point or places where something started, began, rise or is derived form. ther...

Q: Briefly describe image registration process in GIS

A: GIS stands for Geographic Information System. GIS is a framework for gathering, managing, and analyz...

Q: show-all-working-explaining-detailly-each-step. Answer should be typewritten using a computer keyboa...

A:  An organic reaction is a chemical reaction which involve organic compound. This reaction is of diff...

Q: What is the Man-made Hazards?

A: Hazards are events that are caused naturally and artificially. Such events cause significant damage ...

Q: fertilization?

A: Fertilization is the process of fusion of the haploid gametes of the egg and sperm to form a diploid...

Q: Make a diagram showing the link between biodiversity and climate change. Then, write a short explana...

A: Climate alteration is the temperature alteration over the years. It is also said that it is the aver...

Q: help

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

Q: 8.Improvements in nutrition and health care typically increase life expectancies and decrease mortal...

A: Nutrition and health care consist of the two basic and fundamental aspects of healthy living. They a...

Q: 20.For every unit increase in Richter magnitude , energy release increases by a factor of 30. Theref...

A: When an earthquake takes place, energy gathered in solid rock is suddenly released along fault lines...

Q: By examining the composition of the grains in sedimentary rocks where the grains are large enough to...

A: Minerals are naturally occurring substances that have a specific chemical composition and a fixed ph...

Q: help

A: Moon is the natural satellite of earth which revolve around the earth in a specific orbit in a speci...

Q: 17. Eruptions of felsic magma on the surface of the Earth typically form...a. shield volcanoesb. str...

A: Magma is a hot fluid that is formed due to the melting of rocks. They are of three types- felsic, in...

Q: According to Kepler, the orbits of the planets are   a. ellipses with the sun at the center. ...

A: Firstly, let us discuss the orbits of the planet; they are ellipticall.    

Q: The force resulting from gravity between two objects depends on   I. the mass of each object.   II. ...

A: Gravitational force is a very important attractive force that attracts all the matter in the Univers...

Q: How does the ozone layer help earth?

A: The atmosphere of the Earth is made from several layers. These layers are- troposphere, stratosphere...

Q: Prove that the maximum duration of the eclipse is 72 minutes?|

A: INTRODUCTION When one celestial body guards or walks into the umbra of alternative celestial body su...

Q: Question 3

A: Firstly, let us discuss what is the weather? Weather is the state of the atmosphere whether it is ho...

Q: What is the Man-made Hazards?

A: Hazards are an agent that can harm humans, property, or the environment. Risk is the probability of ...

Q: Retrograde motion occurs when   a. a planet changes its speed on an epicycle as it orbits Earth....

A: A retrograde motion is apparent motion of planet in which the motion of planet is changed to directi...

Q: show-all-working-explaining-detailly-each-step. Answer should be typewritten using a computer keyboa...

A: The shape of an atom or ion can be reflected by the region of high electron concentration around the...

Q: Can someone help ASAP

A: The pressure gradient force is the variation in the pressure value on the surface. The air deflected...

Q: help

A: Earth is the third planet in the solar system. Moon is the only natural satellite of Earth.And Earth...

Q: Nekton meaning Throught Swimming Cilia Soft O

A: paleontology is the branch of geology which deals with the study of fossils. here the answer of firs...

Q: Compare and contrast eutrophication and hypoxia or ‘dead zones”.

A: Earth is the third planet in the solar system and the only known planet that can sustain life. It is...

Q: Show all working explaining detailly each step

A: Specific heat of a a matter  is given by the amount of heat required per mass to increase the temper...

Q: How do you compare climate on land and climate near the sea ?

A: The climate of a region is the weather conditions of that region, prevailing for a very long time. I...

Q: The geometry of an ellipse is described by two numbers. The first is the _____________________, whic...

A: An ellipse is a plane curve which is surrounded by 2 focal point. All the point on the curve the sum...

Q: Do you think the recent lockdowns in some of the countries could reduce use of energy? How? Can we h...

A: Lockdown is a restriction policy for people or a certain community to stay at the place where they a...

Q: true or false? When two different air masses meet, they set up boundaries called pressure zones.

A: Air is a mixture of gases around the world. The atmosphere is the sub-system of Earth that contains ...

Q: Aristotle argued that if Earth moved, one would observe parallax in the stars, and thus the   a. ...

A: Aristotle along with other ancient astronomers believed that earth was fixed because they were not a...

Q: According to Kepler’s first law of planetary motion, the orbits of the planets are   a. circles,...

A: The law was given by J Kepler between 1609-1619. Which describes the path of the planet around sun. ...

Q: 1. Explain smog formation 2. Explain fog formation 3. Explain magma

A: The process of combination of some poisonous gases which leads to the formation of hazardous gases t...

Q: 62.Which of the following situations is most likely to undergo mass wasting ? Select one a. a gentl...

A: Mass wasting or slope movement is a geomorphological process in which the rock, sand, or soil moves ...

Q: In terms of data contents what is the difference between Landsat TM and Landsat ETM?

A: The thematic mapper is advanced multispectral scanner which is used to design to get images with hig...

Q: 18. Stratovolcanoes...a. form from alternating eruptions of lava and pyroclasticsb. are common above...

A: INTRODUCTION- Stratovolcanoes are composite volcanoes, which are formed by many layers of magma, ash...

Q: Warming tends to be higher: A: at low latitudes B: Mostly on lands C: Uniform across the globe s...

A: The Earth is enclosed by a blanket of gases called the atmosphere. The atmosphere serves as a protec...

Q: The stream's longitudinal slope will increase in response tho sea-level rise. T or F

A: Marine currents or ocean currents are known as vertical and horizontal currents that control the cir...

Q: 9.Cores taken from ice sheets provide data on past temperature and greenhouse gas fluctuations over ...

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

Q: 1. Explain tornadoes. 1. Explain clouds.

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

Q: Prove that Eclipse period and increases to a maximum duration of about 72 min at full eclipse

A: An astronomical phenomenon that occurs when the moon is a crescent as it passes between the earth an...

Q: The __________________ of an object is a measure of the amount of matter it contains. On the other h...

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

Q: With the aid of a diagram, describe the vertical structure of the atmosphere

A: The atmosphere is the mixture of gases surrounding the Earth. It is commonly called air.As we move a...