I need help with the question !!

Which property of soil depends on the size of particles? color odor temperature texture

Which of the following best describes the purpose of a nation’s boundaries? a. to limit the movement of goods and people b. to make it easier for cartographers to create maps c. to make the movement of goods and people easier d. to prevent other countries from invading territory

Why slip off slopes are found on the inside of meanders? why river cliffs are found on the outside of meanders?