6,3g hydrogen copper sulphate bound with 5 water crystallization (Cu4. 5H2O)​

Naoki's bicycle has a mass of 10 kg. if naoki sits on her bicycle and starts pedaling with a force of 168 n, causing an acceleration of 2.8 m/s2, what is naoki's mass?

Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.

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