In guinea pigs, black fur is the dominant trait. If a white guinea pig mates with a guinea pig that is heterozygous for its black fur, which combination of offspring best represents the likely outcome from the cross? A.
1 black fur, 20 white fur

B.
11 black fur, 9 white fur

C.
19 black fur, 1 white fur

D.
16 black fur, 4 white fur

He viscosities of several liquids are being compared. all the liquids are poured down a slope with equal path lengths. the liquid with the highest viscosity will

Which best represents the law of conservation of mass ?

Simon is writing a story about an astronaut whose spacecraft has been boarded by space pirates. the astronaut has her lucky penny in her hand behind her back as the space pirates break into the control room. she has just locked the controls so that the ship is accelerating in the direction of the control room’s ceiling. simon wants the astronaut to use the penny to hit a button on the control panel to turn off the lights and escape. the button is located a short distance behind and below the astronaut’s hands. how should simon use the theory of relativity to describe what the astronaut must do in order to hit the button?