4. What percentage of any radioactive isotope remains after 4 half-lives? 12.5%
3.125%
50%
6.25%
025%

Iwll give extra points to who gets this for ! what type of reaction is this? ?

Why are pipes bursting in the in extremely cold weather?

Gwhich r group would most likely be found in a hydrophobic area of the tertiary structure of a globular protein? which r group would most likely be found in a hydrophobic area of the tertiary structure of a globular protein? −ch2−oh −ch2−o||c−nh2 −ch2−coo− −ch2−ch2−ch2−ch2−n+h3