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Physics, 19.12.2019 19:31 heyheyhola
Most geologists accept radiometric dating techniques as valid because
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non-radioactive isotopes decay at the same rate as radioactive isotopes.
all radioactive elements used for dating purposes have the same decay rate.
radioactive elements decay at a constant and measurable rate.
elements used for radiometric dating have both radioactive and non-radioactive isotopes.
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Physics, 21.06.2019 15:30
Which type of electromagnetic waves are dangerous enough to be used to kill cancerous cells? (a)gamma rays (b)visible light (c)infrared light (d)microwaves
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Physics, 21.06.2019 22:00
To run the physics cart, the fan speed of the cart is manipulated. this is the (blank) variable. the cart accelerates due to the speed of the fan. acceleration is therefore the (blank) variable. a “constant” is a parameter that stays the same regardless of the variables. one parameter of the cart that is held constant is the (blank) .
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Physics, 21.06.2019 23:00
For general projectile motion, when the projectile is at the highest point of its trajectory, its acceleration is zero? a)the horizontal and vertical components of its velocity are zero. b) its velocity is perpendicular to the acceleration. c)the horizontal component of its velocity is zero. d)its velocity and acceleration are both zero.
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Most geologists accept radiometric dating techniques as valid because
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question 19 options:
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