Before a cell divides, an exact copy of each chromosome is made by the process of?

Which excerpt from act iv of hamlet best provides evidence of the theme’s development?

If you think a piece of information will be on an upcoming test, you should always write it in your notes.

Without stratospheric ozone, which of the following would most likely occur? i. smog over major cities would be greatly reduced. ii. farms would produce surplus crops because of increased photosynthesis. iii. uv radiation would damage phytoplankton and reduce populations of aquatic consumers. i only ii only iii only i and ii i and iii