The process of radioactive decay is unpredictable and irreversible. Which option would be an appropriate model of the radioactive decay of a group of atoms? (1 point) O petals falling from a flower
o throwing tennis balls over a fence
O breaking off pieces of wet clay
O popping a bag of popcorn
Pleas help

1) in saturated limewater, [h+ ]=3.98x10-13 m. a) find [oh]-/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 2) in butter, [h+ ]=6.0x10-7 m. a) find [oh]-/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 3) in peaches, [oh]=3.16x10-11 m a) find [h+ ]/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 4) during the course of the day, human saliva varies between being acidic and basic. if [oh]=3.16x10-8 m, a) find [h+ ]/ b) what is the ph? / c) is the solution acidic, basic, or neutral? /

How does a hydroelectric power plant converts energy into energy.

Summarize possible ways in which phases of matter could combine to form a solution.