Write 2 paragraphs on a lab experiment about physical and chemical changes 50 POINTS

What does the cell nucleus do or, how does it function?

1. explain hydrogen peroxide, h 2 o 2 properties and decomposition reaction. 2. describe how each of the following natural cycles plays a part in earth’s climate system. (a) the water cycle (b) the carbon cycle

Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles