Biology, 19.10.2019 15:30 fitzsimmonssheovgrbh
Cacti in the arizona desert compete to draw water through the roots because it does not rain much there. younger plants with smaller roots have a tough time competing with the larger roots of the older plants. as a result, some of the younger cacti will die. what is the limiting factor?
a: size of the roots
b: soil
c: sunlight
d: water
Answers: 3
Biology, 21.06.2019 21:00
Epinephrine is a hormone released from the adrenal gland of the body, most often in a stressful situation. it is known as the "fight-or-flight" hormone. one way that it causes a response in the body is to activate receptors on muscle cells. where are these cellular receptors located? a. on the cell membrane b. in the nucleus c. on the cell wall d. around the mitochondria
Answers: 1
Biology, 21.06.2019 23:20
Ascientist wants to determine the effect of a new type of gasoline. he fillsone car with normal gasoline and another identical car with the new gasoline.which is the control group? a. the new type of gasolineb. the car with the normal gasolinec. the car with the new gasolinethe amount of gasoline usedd. the amount of gasoline used
Answers: 1
Biology, 22.06.2019 10:40
Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic
Answers: 1
Biology, 22.06.2019 17:10
Communication and transportation have improved as a result of scientific advancements. select the best answer from the choices provided of mark this and return save and exit next
Answers: 3
Cacti in the arizona desert compete to draw water through the roots because it does not rain much th...
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