Discuss the relevance of the Frank Drake SETI equation to investigating life in our galaxy.  Describe what each character represents.

Q: 50.The stratigraphic range of brachiopods is ordovician to recent Select one : True False

A: Fossils are the preserved remains of the organisms or the traces of their activities which belong to...

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A: Isopach maps are used in various fields like petroleum exploration, stratigraphy, sedimentology, str...

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A: Observations in Plate Tectonic Theory The upper most layer of our earth, which solid and brittle, i...

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A: Comet Halley is named after English astronomer Edmond Halley.  Halley used Issac newton's theories o...

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A: It is called that gravitation is universal because every object, which has mass, has property of gra...

Q: Show all working explaining detailly each step.

A: INTRODUCTION- Energy resources are the resources that induce heat, energy, and electricity. Energy r...

Q: 59.The interior space of a brachiopod is divided up into mantle cavity and coelom . T F

A: The brachiopods are one of the most important groups of invertebrates. The interior space of a brach...

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A: Geothermal energy is heat in the earth. it is a renewable source of energy as heat is continuously g...

Q: Plants may have caused the end-Devonian mass extinction true or false?

A: In the geological time scale, Devonian is a period in the Paleozoic era, and it ranges from 419 mill...

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A: In the geological time scale Permian period in the Paleozoic era, it ranges from 298 million years t...

Q: help

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A: Sound waves are also called longitudinal waves. The propagation of these waves is parallel to the di...

Q: how allopatric speciation worked for Darwin’s Finches and the squirrels of Grand Canyon?

A: Speciation refers to the creation of new species. This is done when a group of individuals within a ...

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A: Step1Earthquakes occur in the Maghreb as a result of tectonic activity between the African plate and...

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A: Index fossils are the ones that are not widely geologically distributed but widely geographically di...

Q: How angular unconformity forms?. Show with sketch

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Q: population's doubling

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A: A volcano consists of a vent or an opening on surface of earth that leads to the release of hot gase...

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Q: 66.Judging from the very similar molar morphology of Barytherium and Omanitherium , it is likely tha...

A: Fossils are the preserved remains or the traces of past life and their activity. With the help of fo...

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A: Temperature is a quantity which is used to express how hot or cold a thing or matter is. It is also ...

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Q: The option selected is wrong

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Q: 14.help

A: Population growth refers to a rise in the number of individuals in its population. Its rate is asses...

Q: Imagine you were provided with three plastic cups labelled X, Y & Z and two U-shaped objects lab...

A: Temperature is a quantity which is used to express how hot or cold a thing or matter is. It is also ...

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A: The Brinell scale given a BHN or Brinell hardness number to give hardness of material in a scale of ...

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A: The layers of the earth got deposited horizontally in a basin. These got uplifted by the tectonic fo...

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A: The hazards that take place as a result of natural phenomena such as earthquakes, volcanic eruptions...

Q: 3.help

A: Natural resources are the one which occur in environment and form or developed without any human int...

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A: This diagram is a cyclic representation of how harmful chemical emission contaminates everything.

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A: A tornado is a rapidly twisting air column that originates during thunderstorms and can be character...

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A: Firstly, let us discuss what is Tycho’s universe and what is Copernican universe? Tycho’s universe: ...

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

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...

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A: The soil is acidic means the acid content in the soil is in an increased manner. This happens becaus...

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Q: Can someone help ASAP ?

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for yo...