Apparent brightness depends on which two properties? A. Luminosity and distance
B. Luminosity and temperature
C. Distance and temperature
D. Luminosity and size

Ablastocyst is a group of cells that forms after a human egg is fertilized. the blastocyst consists of two types of cells. some of these cells will become the placenta. what do the other cells develop into?

Question 1 of 102 pointswhich best describes adaptive radiation? oa. geographical isolation caused by an adaptationob. biodiversity resulting from few ancestorsoc. a decrease in the rate of speciationd. adaptations that organisms teach each other

About __ of the mass of the cell is water