How old is this Martian Rock that is found to be containing 12.5% of a radioactive parent nucleus? The half-life of this isotope is 1 billion years old.     a. 5 billion years   b. 12 billion years   c. 3 billion years   d. 10 billion years

Q: If the lithology and fossil content of two bodies of rock on opposite sides of a canyon are identica...

A: The principle of lateral continuity is originally proposed by Nicholas Steno in 1669. It states that...

Q: Does ocean pH in the Gulf of Maine follow the same seasonal pattern as coastal Washington?

A: Both land and the oceans have pH levels to maintain. These levels play an important role in the acid...

Q: Which country do you suppose has the largest EEZ?

A: The exclusive economic zone: It is a territorial area in the sea that the state exploits economicall...

Q: Question 31 Earth's atmosphere has the least of which of these gases? O nitrogen O oxygen carbon dio...

A: Earth’s atmosphere is a blanket of gases which protects Earth from harmful radiation from Sun, it al...

Q: Often, humans work to preserve biomes that are visually attractive. Are there biomes that might be l...

A: Various biomes in biological systems are territories that are portrayed by a particular abiotic and ...

Q: The intensity levels I of two earthquakes measured on a seismograph can be compared by the formula l...

A:

Q: Read the article “Food and Climate”  by clicking this link below http://klimat.czn.uj.edu.pl/enid/2_...

A: The term climate change implies about the transformation of the global climate of the planet thus re...

Q: The diagram below shows four columns that represent rocks from different geographic regions. Each la...

A: To determine the age of formation distributed widely we take the aid of index fossils. Index fossils...

Q: What is island Biogeography?

A: Island Biogeography is also called as insular biogeography and it describes the pattern of species-a...

Q: Forests are important carbon storage sites  ecologically diverse ecologically complex  all of the a...

A: The ecosystem is the geographical area where the living organisms live and interact with each other ...

Q: Why were oceanographic conditions at Earth’s poles of interest to scientists?

A: There are two poles on the earth, namely the north pole and the south pole. The south pole lies in A...

Q: Which of the following has the greatest bulk density? a) organic soils  b) inorganic soils c) an equ...

A: The density of any substance is the ratio of its mass to its volume, but bulk density is the relativ...

Q: Conclusive evidence of thriving microbial life has beenfound in which of the following environments?...

A: Microbes are minute unicellular organism which cannot be seen by naked eyes but only with help of mi...

Q: Calculate the period of revolution of a hypothetical planet that is 16 AUs from the sun.

A: By analysing the question, we need to Calculate the period of revolution of a hypothetical planet th...

Q: Haley's Comet orbits the Sun with its closest approach between the orbits of Mercury and Venus and g...

A: By analysing the Question, We need to tell Is the rotational inertia for Halley's comet constant or ...