The geologist determines there is 78.3% of the parent remaining in the sample that they examine. how old is the sequence of rocks?
a. 187.5 million years
b. 247.8 million years
c. 390.7 million years
d. 2.504 billion years
e. 1.588 billion years
f. 1.202 billion years

The solstices and equinoxes, and the number of hours of daylight associated with each, are major factors in the seasons. use the drop-down menus to identify the month when each of these events occurs. the winter solstice in the northern hemisphere: an equinox in both hemispheres: the summer solstice in the northern hemisphere:

The language of anna's country has a turkish influence. where does anna live?

Name one type of data that h-r diagrams do not show.