In the arctic ocean, there are very few large aquatic plants. which of the following best explains why?
how does precipitation in a temperate forest compare, in general, to that in a tropical rainforest?

a. currents are too strong for plants to survive.
b. plants are unable to attach to the deep sea floor.
c. plants have a difficult time surviving due to long periods of darkness.
d. sea ice increases the salinity of the water to a level not suitable for plants.

The best and most correct answer among the choices provided by your question is the third choice or letter C.

Plants have a difficult time surviving due to long periods of darkness explains why in the Arctic Ocean, there are very few large aquatic plants. 

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If these are the missing choices: a. to determine skin temperature, place the back of your hand against the patient's skin.b. determine body temperature by touching the patient's hands and feet.c. skin temperature will tell you very little about this patient's condition or well-being.d. the patient's skin temperature and color will likely be warm and red.my answer is: a. to determine skin temperature, place the back of your hand against the patient's skin. using the back of the hand to check for temperature rather than the palm is more effective because the back of the hand has more nerves that can feel and transmit the temperature than the palm.