A scientist finds the charred remains of a tree in a layer of volcanic ash thought to be from the eruption of Mt. Mazama some 6600 years ago. Which radioactive isotope, U-238 or C-14, would you use to verify the age of the charred wood? Expain.

Prompt compare the three types of volcanic mountains in terms of shape, type of eruption, and the minerals that make up the volcano

The unique structure of the neuron is dedicated to the efficient and rapid transmission of neural signals. the relationship between neurons, the spinal cord, and the brain constitutes an elaborate communication system throughout the human body. all but one of the functions listed below are a result of this interaction.

Apair of fruit flies reproduces and has 1,000 offspring. all 1,000 of the offspring have the alleles gg. what is the most likely combination of alleles for each parent