Astronomers have determined the temperature of a newly discovered star. when their results , which of the following will they use?

a. thousands of kelvins

b. billions of astronomical units

c. millions of light- years

d. hundred meters per second

Spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Patient has just received an organ transplant which treatment would be most effective in preventing the patient’s body from

One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing