Answer:
Radiometric dating is usually defined as a method that helps in calculating the age of rock depending on the presence of radioactive isotopes and its rate of decay. In order to calculate this, the half-life of the isotope element must be known. This method is commonly used by geologists.
The conditions that are needed to fulfill in order to determine the age of a granitic batholith are as follows-
- The rate at which these materials decay must be a constant
- There should be an exact amount of both the parent as well as the daughter elements.
- Since it is a batholith, so it has formed from the crystallization of magma at a certain depth. So, these granitic rocks must have remained within a closed system, right from the time of its formation.
The various methods of radiometric dating that can be used to date this granitic batholith are-
- Uranium-lead dating- It is an efficient method to date the rocks that are of about 4 to 4.5 billion years.
- Potassium-argon dating- It is also commonly used to date rocks that are about 4 billion years old.
Streams erode sediment from their banks. They pick up and transport sediments. As a stream erodes its banks, it creates a V-shaped valley (Figure above). This contrasts with the U-shaped valleys created by glaciers.
Answer:
B.
Explanation:
The Overall temperatures were higher in 2015 than in 2008. On Map 1 the temperatures were not that hot, but skyrocketed on 2015 while it covered the rest of the world. The red means that the temperature there is hot and the blue mans the temperature there is cold. This means the temperature were higher in 2015 than in 2008.
<span> The country's poorest and least developed region is the semi-arid North-East. This region has historically had the single largest concentration of rural poverty in Latin America, with more than half of the total population and three quarters of the rural population being poor. Low income. mainly the big cities in south-east Brazil. the ranking of cities is being followed by the graph.
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</span><span>short answer: yes the graph does follow the rank size distribution from the graph.</span>
The independent variable is the thing 1 thing you change the dependent variable is the response like the answer. and idk sorry❤-meli
