A rock contains 25% of it's parent isotope potassium - 40. The other 75% is now the daughter isotope. The half - life of potassium - 40 is 1.3 billion years. Determine the absolute age of the rock. In the previous problem we determine that 2 half - lives have passed. Write out the next step and the answer to the problem.​

when cloud cover increases then the suns ray's which provides the earth with light and warmth gets covered due to the due to the suns ray's being blocked, the temperature in that region

therefore to conclude i would like to say that,

=more the cloud cover, the lesser the

happy to

pls mark as brainliest.

connectedness in handwriting analysis is a useful tool in establishing the writer’s method of thinking and its perception in where he/she fits in to the environment around him in the social sense. in addition, the more connected the writing of an individual, the more he/she is flexible and single minded.