Which term describes the rising of cold water from deeper layers to replace warmer surface water? ?

Asap will mark geography final plz ! what are the benefits of international aid? (give me the right evidence )

Which of the following situations is an example of an internal migration? a. moving to mexico city, mexico b. moving to san diego, califormia c. moving to toronto, canada d. moving to london, england

Sean has a bag with 15 marbles. six of the marbles are red and 9 are blue. if sean draws one marble from the bag the probability of drawing a red marble is