diff --git a/_log.txt.txt b/_log.txt.txt
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--- /dev/null
+++ b/_log.txt.txt
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+git clone [url] //to clone the repo from remote to local
+
+git branch [branch_name] // to create branch firstname_lastname
+
+git  checkout // to change from one branch to another
+
+git add . // to add the changes from working area to staging area
+
+git commit -m // to commit changes to local
+
+git merge [branch_name] // to merge the branch to the current active branch
+
+git push // to publish the changes in local repo to remote repo
+
+git pull // to merge the changes in local repo of remote repo
+
+git mv [oldname] [newname] // to rename the file
+ 
+
+  
diff --git a/answer.txt b/answer.txt
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+++ b/answer.txt
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+Chicken
\ No newline at end of file
diff --git a/explanation.txt.txt b/explanation.txt.txt
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+Due to genetic mutation and evolution the so called proto-chicken(chicken like bird . it was genetically close to a chicken )
+so when the male and the female proto-chicken mate, the genes combined in such a way creating mutation that made the baby different from parents.
+thus a proto chicken egg gave birth to chicken.