Which element’s 2+ ion would have the following electron configuration?

[Kr]5s24d10

Ineed this asap part i: scientific method what is the difference between science and pseudoscience? what is the scientific method?

What effect would average population growth have on land usage? a. urban use of land would rise to more than 30 percent of available land. b. industrial use of land would rise to more than 30 percent of available land. c. the percentage of available land used as cropland would stay the same. d. cropland would fall to about 10 percent of available land.

What type of context clue you understand the meaning of  quandary?