Question

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

Answer 1

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

Step-by-step 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