4 rooms
What must be true for natural selection to happen?
O
A. The system must not be in Hardy-Weinberg equilibrium.
O
B. The population must be below carrying capacity.
O
C. All organisms must have the same alleles.
O
D. There can be no competition for resources,

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.

Because some people pollute water ans waste it