Why do doctors prefer to remove tumors rather than treat them with radiation and chemotherapy?

There are only about 250,000 known fossil species. true or false

The pelican's beak is adapted for in .

Been sitting here trying to take this test and don't know this answer! place the events of a feedback mechanism associated with body temperature in the correct order. ·nerve cells send message from skin to the brain ·body returned to normal temperature around 98.6 degrees f ·temperatures regulation center in the brain sends out signals ·body temperature exceeds 98.6 degrees f ·sweat glands throughout the body activate to cool off skin surface it is a 1 through 5 question in biology!