Manganese-52 has a half-life of 6 days. How many days would a scientist have to wait for the radioactivity to be 12.5% the starting amount? 6 12 18 24

Dry air is a better electric insulator than humid air. Would the electric discharge from a charged balloon happen more slowly in dry or humid air?

Donna drove to the mountains last weekend. There was heavy traffic on the way there, and the trip took 8 hours. When Donna drove home, there was no traffic and the trip only took 4 hours.

an instrument used a battery that provides 500 j of energy for 1200 seconds. what is the power of the instrument?

Can eggs get fertilized without sperm

What element shares the property of forming ions with a 1 + charge?

Which nitrogen base sequence is the partner of C-A-T-C-G-A? O C-A-T-C-G-A O G-T-A-G-C-T OT-G-C-T-A-G O G-C-A-T-G-T TI

What is the kind of energy that comes from movement?

The average kinetic energy of 1 mole of a gas at 273 degrees Celsius is: 6.81 x 103 J 3.40 x 103 J 1.51 x 103 J 6.72 x 101 J

Which one of the following crystal structures has the fewest slip directions and therefore the metals with this structure are generally more difficult to deform at room temperature? a. BCC b. FCC c. HCP d. BCT

To rid the body of wastes, including excess water and salts" is the purpose of what human body system? A) Digestive B) Excretory C) Skeletal D) Nervous