Which of the following is a true statement about fossil fuels?
A Burning them creates alr pollution
B
There is an Infinite supply of them within the earth's crust
C
They are very difficult to refine Into usable fuel
D
They are not carbon-based

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.

The basic building blocks of dna and rna are nucleotides

The answer is c i think