d. under a rock in the desert
The density of seawater increases. the cold makes the water heavier which makes water sink to the bottom while the warmer and less dense water rises to the top.
i believe it's extinct
Biology, 31.01.2019 20:40
In an experiment examining the effects tai chi on arthritis pain, callahan (2010) selected a large sample of individuals with doctor-diagnosed arthritis. half of the participants immediately began a tai chi course and the other half (the control group) waited 8 weeks before beginning. at the end of 8 weeks, the individuals who had experienced tai chi had less arthritis pain that those who had not participated in the course.
Biology, 31.01.2019 20:08
Drag each tile to the correct box. the body monitors the levels of oxygen in the blood to regulate breathing. isabel is running in a marathon and is near the finish line. she feels out of breath. how will her nervous system work to generate a reaction? arrange the tiles in chronological order. isabel's breathing rate increases. sensory receptors in the arteries detect low oxygen levels. the brain sends signals through motor neurons. sensory neurons generate an impulse. the central nervous system relays an impulse to certain brain regions.
Biology, 30.01.2019 22:39
Ascientist is investigating the effects of salinity on fish development. he places fertilized fish eggs in an aquarium that contains low salinity and observes their development. what factor would improve experimental design the most? place the fish eggs in the open ocean because that is the natural habitat include another aquarium that has normal salinity to compare to the low salinity aquarium include an aquarium that replaces salt with sugar to confirm that the effects are specific to salt grow algae with the fish eggs in order to provide adequate nutrients to the developing embryos
Which type of environmental scientist is most likely to study how whales are affected by pollution?...
Mathematics, 08.06.2019 21:58
Mathematics, 08.06.2019 21:57
Computers and Technology, 08.06.2019 21:56
Mathematics, 08.06.2019 21:55