Answer:
volcanoes are types of mountains that take millions of years to form and contain magma that can blast and create a huge explosion
Explanation:
The rule for a rotation by 90° about the origin is (x,y)→(−y,x) .
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Answer:
Oxygen-16 is not used in radioactive dating.
Explanation:
Oxygen-16 is the right answer as this isotope is not used in any type of radioactive dating, instead the oxygen isotopes are used for determening the processes in the living organisms.
Carbon-14 is not correct because it is one of the most commonly used isotopes for radioactive dating, being the most precise to a certain point of age.
Uranium-235 is not correct because it is an isotope commonly used for rafdioactive dating, especially for much longer periods.
Potassium-40 is not correct because in combination with argon-40 it is one of the main isotopes for determening the age through radioactive dating.
Use the midpoint formula. Find the x-values and y-values of the each coordinate pair. You already know what they are. The first coordinate pair is x1 and y1. The second coordinate pair is called x2 and y2. Add the first x-value and the second x-value and divide by 2. Then add the first y-value and second y-value and divide by 2. If my directions are correct then your should find the midpoint! Good luck! I hope this makes senses. And if I'm wrong, blame my past math teachers. You can also look online.
The ground zone containing grasses is not a characteristic of the zones of a deciduous forest. The correct option among all the options that are given in the question is option "d". There is definitely a ground zone in the deciduous forest, but it consists of mostly true mosses, club mosses and lichens. The soil of these forests are very fertile in nature.
