Carbon-14 has a half-life of 5730 years. in a plant fossil, you find that the 14c has decayed to 1/8.00 of the original amount. how long ago was this plant alive?

Pastoral farming is best described as a. a method of raising livestock and moving herds b. an african method of agriculture c. a method of cultivating crops on poor soils d. a common method of desert farming select the best answer from the choices provided a b c d

The diagram below shows the movement of particles. what does this piece of evidence best support? the collision theory the maxwell-boltzmann distribution the effect of pressure on reaction rates the effect of temperature on reaction rates

Take a look at this dandelion. the yellow flower on the right is pollinated and the seeds on the left are transported by