Darwin carefully observed the finches of the Galapagos island. What he noticed was that they were similar to the mainland finches, but each island finch has different .
Question 3 options:

colored feathers.

numbers of offspring.

shaped and sized beaks.

colored eyes.

A (colored feathers.)

Explanation: There are many birds with colors that are variously different on the Galapagos.

So, Darwin carefully observed the finches of the Galapagos island. What he noticed was that they were similar to the mainland finches, but each island finch has different colored feathers.

the answer is c on e2020, bud.

they had the law tat factories that produces smoke cannot be built near residential buildings.

building of proper sewage system was done to ensure that the waste is carried away from the humans so that they do not get diseases from it.

also they built water systems to provide water in those areas which are drought prone.