Most absolute dates for rocks are obtained with radiometric methods. These use radioactive minerals in rocks as geological clocks. The atoms of some chemical elements have different forms, called isotopes. These break down over time in a process scientists call radioactive decay.
hope this helps:)sorry if it doesnt
The answer is C represents a meaningful thought.
Answer:The point at which oil demand will peak has long been a focus of debate. bp chief economist Spencer Dale and Bassam Fattouh, director of The Oxford Institute for Energy Studies, argue that this focus seems misplaced. The significance of peak oil is that it signals a shift from an age of perceived scarcity to an age of abundance – and with it, a likely shift to a more competitive market environment↑
Explanation:
Haha, I used to do IXL all the time. Continuing onto the question, it's asking it in mixed number form..
17/9, how many 9's go into 17? I'd say 1 time, or if we 2 we'd go over.
so 1 times 9 = 9
What's the remainder? 17-9=8
so you've got only one whole 9, and 8 left over
so {{ 1 8/9 }} is the answer
