Trong phương thưc gởi hàng bằng container, khi gởi hàng lẻ (LCL), ai là ngươi không chịu trách nhiệm đóng hàng vào container?

How many neutrons does an element have if its atomic number is 40 and its mass number is 156?

30 a town is built on the banks of a small lake on the edge of a desert. after some time, the townspeople discover that water from the lake has become too polluted to use. describe one way that the lake may have been contaminated by the actions of the townspeople, and explain how the townspeople can remediate this problem.

If you observe an object in the universe that is roughly 8 megaparsecs in size, what is the object most likely to be? a. elliptical galaxy b. irregular galaxy c. ultra-compact dwarf galaxy d. galaxy group e. galaxy cluster