Questions by Andoni

Questions by Andoni

You are dating Moon rocks based on their proportions of uranium-238 (half-life of about 4.5 billion years) and its ultimate decay product, lead. 1. Find the age for a rock for which you determine that

asked Feb 27, 2018

2 answers

0 votes

111k views

how does the body protect itself from pathogens? & differentiate between a specific and nonspecific response to the pathogens?

asked Jul 20, 2016

1 answer

5 votes

17.8k views

A change in the genetic code of an organism is called A) cancer. Eliminate B) mitosis. C) mutation. D) tumor.

asked Apr 23, 2015

2 answers

1 vote

95.6k views

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