Why do you think tracking the sun, moon, and stars with such precision was important to people living 2,000 years ago?

Jewelweed, a flowering plant, has seed pods that burst open when touched and forcefully eject their seeds. these structures are favorable because they a. can cause genetic changes to occur. b. prevent germination within the seed pod. c. aid in the dispersal of the species. d. attract insects that aid in pollination.

Using the periodic table, complete the table to describe each atom. type in your answers.a ? b? c? d? e? f?

Elements that do not have full outer electron shells will donate, share, or take electrons from other atoms. choose the items that have the correct binary ionic formula.