What does bacteria cell and plant cell have in common

Asample of radium-226 will decay 1/4 of its original amount after 3200years. what is the half-life of radium-226?

What royal scientist used the 29th day of frozen vapor to encounter elements for mastering new culinary creations?

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)