What are the advantages and disadvantages of aerial remote sensing in comparison with space born remote sensing

Renewable resources of west and central africa include:

Renaldo and nasreen build an electromagnet by wrapping a wire around a nail and connecting the wire to both terminals of a battery. when they test the electromagnet, it can pick up 6 paper clips. their teacher wants all groups to pick up at least 10 paper clips. what could renaldo and nasreen do to increase the number of paper clips their electromagnet picks up?

How does colonization continue to affect the caribbean today? a. most of the caribbean is controlled by european countries. c. most people leave the caribbean to migrate to europe. b. there are many languages spoken in the caribbean because of the many nations who colonized the region. d. none of the above