the electron configuration that belongs to the atom with the lowest second ionization energy is .

Which of the following must happen in order for productivity to increase? a. production levels remain unchanged while inputs increase. b. production levels rise while inputs decrease. c. production levels fall while inputs increase.

Which is these sentences can be deleted from the first paragraph sentence 4 sentence 2 sentence 5 sentence 3

How are 3-d printers useful in studying evolution? a. to color the fossils of organisms b. to create clones of extinct organisms c. to create replicas of fossils d. to prepare paper cutouts of organisms e. to study the composition of fossils