An isotope has a half life of 2 days. After 6 days, how much of the original material is left?

A. 12%

B. 12.5%

C. 30.2%

As the electron moves, does the electric potential energy of the system increase, decrease, or stay the same?

A: hydrogen and hydrogen b: copper and copper c: copper and oxygen Rank the above bonds in terms of increasing bond strength. Choices A: a

What would the velocity of a bullet that strikes a tin can 350 meters away in 0.25 seconds

Based on Archimedes' principle, the greatest buoyant force an object can experience in water is determined by which quantity? A. The object's mass B. The object's chemical properties C. The object's volume D. The object's pressure

What is resolution and how does it relate to accuracy and precision?

Which of these is the best reason for proper nutrition? A. To ensure that you will be skinny B. To protect yourself against certain diseases C. To improve your intelligence D. To ensure that you will get good grades

And object has a mass of 15g it has a volume of 7.5ml. find the density of the object.

I need this answered quickly. is the branch of science for naming and classifying organisms based on their natural relationships? A-physics B-taxonomy C-genetics D-biology

For a fixed amount of gas, if the absolute temperature of the gas is doubled, what happens to the pressure of the gas?

A 500-kilogram sports car accelerates uni- formly from rest, reaching a speed of 30 me- ters per second in 6 seconds. What distance has the car traveled during the 6 seconds?