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Which phrase correctly completes this sentence?



The result of building the Panama Canal was that people who wanted to get from the Caribbean Sea to the Pacific Ocean _________________________.





A

had to sail around South America




B

would need to make a dangerous trip by land




C

would have to sail only 40 miles




D

had to ask permission from Colombia

Verified Answer :

Answer:

To develop a molecular clock, you need to find which of the following?

a sequence of molecules

the rate at which changes occur in a type of molecule

how much total change has occurred in a type of molecule from two different species

how many molecules a species has

Explanation:

To develop a molecular clock, you need to find which of the following?

a sequence of molecules

the rate at which changes occur in a type of molecule

how much total change has occurred in a type of molecule from two different species

how many molecules a species has