Which physical factor, related to the formation of severe weather, has to do with the amount of water vapor in the air? humidity pressure temperature wind which statement describes the availability of carbon in the ocean and its use by marine processes? the ocean is a carbon sink, with carbon being utilized by photosynthesis of phytoplankton. the ocean is a carbon sink, with carbon lost due to the transpiration of marine algae. the ocean is a carbon source, with carbon being utilized during thermocline formation. the ocean is a carbon source, with carbon lost due to the respiration of marine mammals.

Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism

Describe the change in phase and temperature as water moves from the oceans to the atmosphere and then returns to earth again as rain. a) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature decreases b) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature increases c) evaporation : temperature decreases; condensation : temperature decreases; precipitation (rain) : temperature decreases d) evaporation : temperature increases; condensation : temperature increases; precipitation (rain) : temperature decreases

Follow the directions for self-quiz question 8, draw it, by labeling the appropriate structures with these terms, drawing lines or brackets as needed: chromosome (label as replicated or unreplicated), centromere, kinetochore, sister chromatids, nonsister chromatids, homologous pair, homologs, chiasma, sister chromatid, cohesion