Beccaroviachani Beccaroviachani

14-02-2016
Chemistry

contestada

Which of the following is a radioisotope used to date rock formations older than 50,000 years?
a. Carbon-14.
b. Uranium-235.
c. Cobalt-69.
d. Carbon-12.

Respuesta :

BlueDomo BlueDomo

14-02-2016

You use uranium, carbon 14 half life is such that after 50000 years there won't be much left in the sample.

Answer Link

Otras preguntas

The management of Leyton Electronics Inc. always favors market orientation over the other marketing management philosophies. In this case, which of the followin

If the measure of angle 1 is (3x-4)and angle 2 is(4x-10) what is the measure of angle 2 in degrees

science yet again ugh

How does the media reflect attitudes on gender as far as depicting women and men in very traditional roles? Provide two detailed examples that substantiate your

When conducting an experiment on time management, Jamie assigns everyone who arrives before noon to the experimental group and everyone who arrives after 12 noo

Explain Charles Darwin’s theory of Organic Evolution.

An economy has three sectors producing products: Product 1, Product 2, and Product 3. i. To produce 1 unit of Product 1 requires 0.20 units of Product 1, 0.15

Parker, who suffers from autism spectrum disorder, has a fundamental flow in his ability to learn distinctions between his own mind and the minds of others. Fro

Create a system of equations that has a solution of (3, -1)

Increasing the intermolecular forces of a liquid will do which of the following? a) increase the viscosity b) increase the surface tension c) decrease the ev