One of the benefits of phytoplankton is that it removes excess carbon dioxide from the atmosphere. what human activities contribute the most to increasing carbon dioxide levels? . a. smoking tobacco. b. dumping oil in the ocean. c. burning oil and coal. d. planting trees

In which specialized organ of the plant would these cells most likely be found

Which of the following is an example of competition that could be found in a forest? question 14 options: deer eat berries and their droppings seed new areas creating more berry bushes two fox populations utilize the same rabbit population as their main food source two hawk populations utilize the same scorpion population as their main food source lack of sunlight due to changes in the seasons restricts the growth of certain plants

For a comparative or experimental investigation, scientists often make a testable about a scientific question, and then they test it in the investigation. a.control b.hypothesis c.procedure d.system