Social, cultural and economic factors influence fertility, mortality and migration rates. Migration is affected by various factors like age, sex, marital status, education, occupation, employment etc. Age and sex are main demographic factors that affect the migration.
Farmers supply 41% of the world's corn.
Answer: 41%
Answer: About 1/3 of the co2 produced by humans during the past century has been absorbed by the ocean.
The two minerals that are found in cement are : Silica and calcite.
<u>Explanation:</u>
Different minerals form the composition of cement but the minerals that are most commonly found in cement are calcite which is contained in the limestone.
The other mineral that is used in the production of cement is silica in the form of raw rock type used to make cement which is found in clay. So they form an important part of formation of cement.
Answer:
Thank you for informing me :)
Explanation: have a nice day!
