A farmer wants to grow green manure crops on his field. For this, he specifically wants to know the percentage of sand, silt, and clay in the soil. Which soil test should he conduct?

Brazzaville and kinshasha, luanda,librevilleand and monrovia.

I  cant see the question.

He want to contact the red cross/red crescent because they are the main non profit organization that deals with disasters around the world 

Historians are researchers of the past or people who understand the history of people. with this field, they must possess qualities such as being unbiased, patient, efficient reader, has a knack for logic and critical thinking and reasoning, disciplined, open-minded, resourceful, with good analytical ability, good reasoning skills and problem solving!