HELP!! Which features of alveoli enable them to exchange gases efficiently? (Select all that apply.)

A. thin walls

B. surrounded by blood vessels

C. small numbers of them in each lung

D. large surface area

Do not scam me using links or attachments (except photos of the answer) or answer this by saying a simple yes or no because that also scams me.

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.

Droughts cause very arid places such as a desert