Between now and next week, investigate some genuine elements used in radioactive dating of rocks and fossils, and answer the following questions: . a. are some radioisotope pairs more appropriate for dating certain types of samples? if so, which ones and why? can all rocks be dated by radiometric methods? why or why not? what other information can be used to determine the age of rocks or fossils? b. c.

Look at the data above. provide an explanation for europe’s projected population decrease by the year 2050. (i'm doing this for future kids) the answer is : the percentage of people over the age of 65 and under the age of 15 in europe is currently the same at 16% each. therefore, the majority of the population is between the ages of 16 and 64. in forty years from now, in 2050, a greater percentage of the population will be over the age of 65. europe also has a relatively long life expectancy of 75 years. this, combined with a low birth rate means that by 2050 europe’s population will actually be less than it is today.

Triangle xyz is translated 4 units up and 3 units left to yield triangle x'y'z' what is the distance between any two corresponding points on triangle xyz and trianglex'y'z' ?

How does australia influence people