What do scientists do? a. they make sure all facts fits scientific theories b. they make ethical decisions for the government c. they used their knowledge to make public policy d. they learn about the world through observation

What is important to study for nios grade 12 chemistry? i have only one month left.

After watching the video "zinc strip in copper nitrate solution", and reading the instructions, click on the link labeled "start" just below the drawing of the pencil tip. follow the direction to complete the 3x3 grid. answer the below questions for the portion of the activity in which sn(s) is placed in agno3(aq)

In which region is the substance in both the solid phase and the liquid phase? 1 2. 3 4 mark this and return save and exit next